This a funny deck i have been testing for a while. This deck is not for farming, but i imagine it could work well in a restricted event.
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74c 74c 74c 74h 74h 74h 77l 77l 77l 78q 78q 78q 78q 7n2 7n2 7n2 808 808 808 808 808 808 808 808 80d 80d 80d 80d 80d 80d 8pl
Freeze version(more damage per Titan than BBed, beware of shockwave):
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74c 74c 74c 74h 74h 74h 7gn 7gn 7gn 7i6 7i6 7i6 7i6 7n2 7n2 7n2 808 808 808 808 808 808 808 808 80d 80d 80d 80d 80d 80d 8pl
It is based in stalling with shields to get your combo. The main strategy is very dependent in the opponent cards and the draw order of the combo cards, but the basic is this:
1 Titan: 30 damage catapulted
1 BBed Titan:37 damage catapulted
1 Frozen Titan: 39 damage catapulted(consider changing to a freeze version, beware of shockwaves though, and less power as CC)
So, 2 BBed/Frozen Titan and 1 non BBed/Frozen Titan are enough for an otk.
The major weakness is PC, but non-health dependent CC can slow you down, and you should always take good care of your cards.
As for upped-unupped:
Aether tower: probably the second most important upgrade for the speed, especially in low tower draws, but it can be played without them.
Phase shield:Also help for the speed, but it isnt so important.
Earth Pendulum/Water pendulum: this quanta is used mainly late game, so it can be used unupped.
Titan: the one damage decrease on the attack is almost irrelevant.
Trebuchet: the decrease on lauching cost is only helpful if you dont have lots of gravity quanta, which shouldnt happen.
Basilisk Blood/Congeal: Irrelevant, can be used unupped with no problem.
Animate weapon: Must be upped (unupped costs air quanta, and the deck doesnt produce it)
Edited with Freeze/water pendulum as alternative to Basilisk Blood/earth pendulum.