Centaur Karoo enters the battlefield tapped unless you pay 3 life.
: Add to your mana pool. Return Centaur Karoo to its owner's hand.
: Centaur Karoo becomes a 2/2 green Elf Stag creature until end of turn. It's still a land.
: Add 
to your mana pool. Return Centaur Karoo to its owner's hand.
: Centaur Karoo becomes a 2/2 green Elf Stag creature until end of turn. It's still a land.
