Well probably want to make sure we have a way to take advantage of the moving/removing -1/-1 counters first so that were not stuck with a board full of 0-power creatures
Every time an opponent casts a spell, theyll have to pay one extra mana or let you draw a card
Jenova, Ancient Calamity Jenova is frankly a disappointment here in her card, which fits how she is in Final Fantasy 7 too, all hype but overshadowed by Sephiroth almost all the time
The cards need to still be powerful or at least playable as they need to still be competitive versus other cards
The Earth King is at its best when you can curve a cheap 4-power creature into it, perhaps Surrak, Elusive Hunter in Standard
Well just sort by a random number in this case, a GUID