(: Add or to your mana pool.)
When Green Caves enters the battlefield, return a land you control to its owner's hand.
: Green Caves becomes a 2/2 green Treefolk Elf creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Green Caves becomes a 2/2 green Treefolk Elf creature until end of turn. It's still a land.
