When I was coming up with abilities I was aiming for something that would fit the theme of each element withing the bounds of the games rules. Maybe some of them are too good but I'd like to read why you think they're OP rather than just, 'they're OP'. I mean... they're legendary dragons - they're supposed to be powerful cards. Remember that dragons in general are expensive cards, they're usually only effective in mono element decks, or decks that heavily favour one element. And packing even six copies of one dragon in a deck will lead to opening hands of dragon clot once in a while. I know this firsthand, it isn't pretty : P.
Entropy is the random element so their dragon gets a random'ish ability. It also opens up the Entropy/Earth Heavy Armor - killer dragon combo.
Death's dragon feeds on the decay from poison. Poison decks don't bother with dragons, and Death quanta is so much better spent on Bone Walls and Boneyards I don't think I've ever seen a Bone Dragon outside of crappy AI decks. So yeah the bonus could get big when you've got alot of poison counters on you, but by that point you're usually done for anyways. Perhaps +1/+0 instead though.
I was juggling between the current wording on Basalt Dragon and just successful attack cause aftershocks. In game terms the idea is it burries the opponents weapon, so if I attacked with him my opponents Eternity would lose half of it's damage and be untargetable for 1 turn, but they wouldn't be able to use it's reverse time ability. Then you could do the same thing next turn, so it locks down the opponents weapon while you beat on them with the dragon. It's a way for Earth to deal with weapons without having to use Gravity quanta.
Life has a way to generate massive green quanta with the Rustler but no spell to use it (like Drain Life or Fire Bolt) so I gave that ability to their dragon. Although I got stomped by an upgraded all Life deck today in the top 50 so maybe I should tone this guy down a bit lol.
The Ruby Dragon's ability is like breathing fire on creatures. From personal experience with the unupgraded version, I know there are tons of times when a Rain of Fire or Fire Bolt comes up just a little short and an extra damage would make a big difference.
Arctic Dragon should have something to do with freezing, and since they're such good friends with Death already... 12 water quanta + 2 death quanta + another card to freeze with, not the most efficient way to deal with creatures. Especially considering Water already has some of the best creature control out of all the elements. Perhaps it should be more expensive but the abilty is just icing on the cake.
Get it... Arctic Dragon... icing... nevermind : P
One of the standard holy abilities is a righteous sacrafice so the -1/-1 for +2/+2 fits nicely for Light's dragon.
Hrm, I didn't think about Sky Dragon having two activated abilities... it would work if it was a magic card lol. I was aiming for something that could use the fire and light quanta from the all the Firefly's. I think I'll change it to +1/+1 for each Firefly.
Procrastination is a weak shield, you have to take damage before you can kill something stuck in a time bubble. And you've spent 19 time quanta and two cards for that combo, including your shield slot. Not exactly ultimate creature control. Sundial is ultimate creature control. Now that I think about it though I might change the abilty to cost death quanta.
Darkness has many cards that take something from the opponent to make themselves more powerful. Vampiric damage in this case would consist of +1/+0 every time Minor Vampire and Vampire Stiletto (& upgrades) successfully attacked.
My main concern with Elite Phase Dragon was picking an ability that would fit in one line of space lol.
