Gyome, Blade of Eorzea

{1}{r}: Discard a card: Gyome, Blade of Eorzea
gets +X/+X until end of turn, where X is that
card's converted mana cost, you may only do this
once a turn.
Whenever Gyome, Blade of Eorzea deals combat
damage to a player, draw X cards where X is the
damage dealt rounded down.