RW infinite damage

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) : The next 1 damage that would be dealt to this creature this turn is dealt to target creature you control instead.

Whenever you activate an ability of an Elemental, this creature gets +1/+0 until end of turn.

Choose a Giant creature you control. It deals damage equal to its power to target creature.

Changeling (This card is every creature type.) : Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.