Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
: Add for each +1/+1 counter on this creature.
, Sacrifice a creature: Target player reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.
When this creature enters, you may exile an instant card from your hand.
, : Copy the exiled card. You may cast the copy without paying its mana cost. X is the mana value of the exiled card.