This thread should contain only submissions using the format found in this post (http://elementscommunity.org/forum/index.php/topic,38671.msg481346.html#msg481346). Everything else belongs in the Community-recommended Decks discussion thread (http://elementscommunity.org/forum/index.php/topic,40285.0.html).
The following decks were submitted by players, and represent the unupgraded decks most frequently used by members of the community while battling the Level 3 AI.
Fastest unupped mono AI3 farmer by MrBlonde
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52g 52g 52g 52g 52g 52g 52g 52g 52g 52g 52g 52g 52g 52g 52h 52h 52h 52h 52o 52o 52o 52o 52o 52o 52t 52t 52t 52t 52t 52t 8pk
(http://elementscommunity.org/forum/index.php?topic=10503.0)
Mono-Life Adrenaline Rush by Celidion
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5bs 5bs 5bs 5bs 5bs 5bs 5bs 5bs 5bs 5bs 5bs 5bs 5bu 5bu 5bu 5bu 5bu 5bu 5c0 5c0 5c0 5c0 5c0 5c0 5c7 5c7 5c7 5c7 5c7 5c7 8pn
(http://elementscommunity.org/forum/index.php/topic,1482.0.html)
Nymph Tears Rush by ColorlessGreen
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5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5ig 5ig 5ig 5ig 5ig 5ig 8pp
(http://elementscommunity.org/forum/water-32/nymph-tears-rush-(ai3)(unupped)(rareless)/)
Shrieker Rush by turin
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4t4 58o 58o 58o 58o 58o 58o 58o 58o 58o 58o 58o 58o 58o 58o 58o 58o 58o 590 590 590 590 590 590 591 591 591 591 591 591 8ps
(http://elementscommunity.org/forum/index.php/topic,482.0.html)
Toxic Shriekers by Xenocidius
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4sa 4sa 4sa 4sa 4sa 4vh 4vh 4vj 4vj 4vj 4vj 4vj 4vj 52o 52o 52o 52o 52o 55q 590 590 590 590 590 590 5c7 5f6 5if 5if 5lf 8pm
(http://elementscommunity.org/forum/index.php/topic,36775.0.html)
The following decks were submitted by players, and represent the upgraded decks most frequently used by members of the community while battling the Level 3 AI.
Brave Phoenix[rush] by Calindu
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7dg 7dg 7dg 7dg 7dp 7dp 7dp 7dp 7dp 7dp 7ds 7ds 7ds 7ds 7ds 7ds 7du 7du 7du 7du 7du 7du 7ee 7ee 7ee 7ee 7f2 7f2 7f2 7f2 8po
(http://elementscommunity.org/forum/index.php/topic,38829.msg483041.html#msg483041)
Dem Brave Golems by Calindu
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4vj 4vj 4vj 4vj 4vj 4vj 6rk 6rk 786 786 786 786 7ee 7ee 7ee 7ee 7ee 7ee 7nq 7nq 7nq 7nq 7nq 7nq 816 816 816 816 816 816 8po
(http://elementscommunity.org/forum/index.php/topic,42840.msg534254.html#msg534254)
Rainbow Riot by RulacMage11
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6qq 6qq 6qq 6qq 6qq 6u3 6u3 6u3 6u3 6u3 6u3 6u5 6u5 718 718 718 718 74f 74f 77g 77g 77g 77g 7ai 7ai 7dm 7gq 7k6 7n0 7n0 7n7 7t9 80a 80a 8pj
(http://elementscommunity.org/forum/rainbow-decks/rainbow-riot(pvp)(ai3)(bronze)/msg1090815/#msg1090815)
TADAbow by kirchj33
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6qq 6qq 6qq 6qq 6u3 6u3 6u3 6u3 6u3 6u3 6u5 6u5 6u5 713 74f 74f 74f 77g 77g 7ai 7ai 7ai 7ai 7dq 7gm 7gm 7jr 7mu 7tf 80g 8pj
(http://elementscommunity.org/forum/index.php/topic,22518.msg316586#msg316586)
USEM by jmdt
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6rk 6rk 7ac 7ac 7ac 7ac 7ac 7ae 7ae 7ae 7ae 7ae 7ag 7ag 7ag 7ag 7ag 7ai 7ai 7ai 7ai 7ai 7ai 7ap 7ap 7bu 7bu 7bu 7bu 7bu 8pn
(http://elementscommunity.org/forum/index.php/topic,10563.0.html)
USEM by jmdt
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6rk 6rk 7ac 7ac 7ac 7ac 7ac 7ae 7ae 7ae 7ae 7ae 7ag 7ag 7ag 7ag 7ag 7ai 7ai 7ai 7ai 7ai 7ai 7ap 7ap 7bu 7bu 7bu 7bu 7bu 8pn
(http://elementscommunity.org/forum/index.php/topic,10563.0.html)
(Bothering with credit is pointless as the original USEM is two cards different from my earlier FotD, jm posted USEM, I suggested 2 Mitosis and Boots posted a deck image of it.)
Fastest unupped mono AI3 farmer by MrBlonde
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52g 52g 52g 52g 52g 52g 52g 52g 52g 52g 52g 52g 52g 52g 52h 52h 52h 52h 52o 52o 52o 52o 52o 52o 52t 52t 52t 52t 52t 52t 8pk
(http://elementscommunity.org/forum/index.php?topic=10503.0)
Good old mono death. Very powerful and quick, and doesn't have any rares.
Toxic Shriekers by Xenocidius
Hover over cards for details, click for permalink
4sa 4sa 4sa 4sa 4sa 4vh 4vh 4vj 4vj 4vj 4vj 4vj 4vj 52o 52o 52o 52o 52o 55q 590 590 590 590 590 590 5c7 5f6 5if 5if 5lf 8pm
(http://elementscommunity.org/forum/index.php/topic,36775.0.html)
Great for beginners and works pretty well in Bronze league too!
TADAbow by kirchj33
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6qq 6qq 6qq 6qq 6u3 6u3 6u3 6u3 6u3 6u3 6u5 6u5 6u5 713 74f 74f 74f 77g 77g 7ai 7ai 7ai 7ai 7dq 7gm 7gm 7jr 7mu 7tf 80g 8pj
(http://elementscommunity.org/forum/index.php/topic,22518.msg316586#msg316586)
Shrieker Rush by Turin
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4t4 58o 58o 58o 58o 58o 58o 58o 58o 58o 58o 58o 58o 58o 58o 58o 58o 58o 590 590 590 590 590 590 591 591 591 591 591 591 8ps
(http://elementscommunity.org/forum/index.php/topic,482.0.html)
Mono-Life Adrenaline Rush by Celidion
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5bs 5bs 5bs 5bs 5bs 5bs 5bs 5bs 5bs 5bs 5bs 5bs 5bu 5bu 5bu 5bu 5bu 5bu 5c0 5c0 5c0 5c0 5c0 5c0 5c7 5c7 5c7 5c7 5c7 5c7 8pn
(http://elementscommunity.org/forum/index.php/topic,1482.0.html)
UUSEM by 5pla5h
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5bt 5bt 5bt 5bt 5bt 5bt 5bv 5bv 5bv 5bv 5bv 5bv 5c2 5c2 5c2 5c2 5c2 5c2 5l8 5l8 5l8 5l8 5l8 5l8 5l8 5l8 5l8 5l8 5l8 5l8 8pn
(http://elementscommunity.org/forum/index.php/topic,15361.0.html)
Light unupped AI3 farmer by xdude
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5l8 5l8 5l8 5l8 5l8 5l8 5l8 5l8 5l8 5l8 5l8 5l8 5l8 5l8 5l8 5la 5la 5la 5lb 5lb 5lb 5lb 5lb 5lb 5lf 5lf 5lf 5lf 5lf 5lf 8pr
(http://elementscommunity.org/forum/index.php/topic,12931.0.html)
Dragon OTK Unupped by Phaser
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4sa 4sa 4sa 4sa 4sa 4sa 4sa 4sa 4sa 4sa 4sa 4sa 4vf 52h 560 5bt 5f2 5id 5op 5rm 5rp 5rp 5rp 5rp 5rp 5rp 5rr 5rr 5ul 61r 8ps
(http://elementscommunity.org/forum/index.php/topic,32725.0.html)
Some decks of the old archives. Made this post with the help of teffy: http://elementscommunity.org/forum/index.php/topic,40292.0.html
Brave Phoenix[rush] by Calindu
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7dg 7dg 7dg 7dg 7dp 7dp 7dp 7dp 7dp 7dp 7ds 7ds 7ds 7ds 7ds 7ds 7du 7du 7du 7du 7du 7du 7ee 7ee 7ee 7ee 7f2 7f2 7f2 7f2 8po
(http://elementscommunity.org/forum/index.php/topic,38829.msg483041.html#msg483041)
Woo necro
Dem Brave Golems by Calindu
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4vj 4vj 4vj 4vj 4vj 4vj 6rk 6rk 786 786 786 786 7ee 7ee 7ee 7ee 7ee 7ee 7nq 7nq 7nq 7nq 7nq 7nq 816 816 816 816 816 816 8po
(http://elementscommunity.org/forum/index.php/topic,42840.msg534254.html#msg534254)
Mono-Water Nymph Tears Rush by furballdn
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5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5ig 5ig 5ig 5ig 5ig 5ig 8pp
(Woo necro necro) (http://elementscommunity.org/forum/index.php/topic,50435.msg1087886.html#msg1087886)
Rainbow Riot by RulacMage11
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6qq 6qq 6qq 6qq 6qq 6u3 6u3 6u3 6u3 6u3 6u3 6u5 6u5 718 718 718 718 74f 74f 77g 77g 77g 77g 7ai 7ai 7dm 7gq 7k6 7n0 7n0 7n7 7t9 80a 80a 8pj
(http://elementscommunity.org/forum/rainbow-decks/rainbow-riot(pvp)(ai3)(bronze)/msg1090815/#msg1090815)
91.5% winrate. 915/1000 games won, 123 EMS, 9 ttw.
DECK HELPER COMMENT: Fixed the Deck Name hyperlink. Asterisks aside, I have no idea why it wasn't working before.
Nymph Tears Rush by ColorlessGreen
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5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5ig 5ig 5ig 5ig 5ig 5ig 8pp
(http://elementscommunity.org/forum/water-32/nymph-tears-rush-(ai3)(unupped)(rareless)/)