Akroma's Will [SOA - 1] Printing:Normal Rules Text Contains: Target land

Rules Text Contains: Target land is now a swamp

Rules Text Contains: Target player takes an extra turn after this one

Sacrifice a creature: Add BB to your mana pool

Whenever this land or another land you control enters

Sacrifice another Serpent: Choose one —

Akroma's Will [SOA - 1] Printing:Normal Rules Text Contains: Target landRarity: M #: 1 Creature Type or Sub Type: Instant Rules Text Contains: Choose one. If you control a commander as you cast this spell, you may choose both instead. Creatures you control gain flying, vigilance, and double strike until end of turn. Creatures you control gain lifelink, indestructible, and protection from each color until end of turn.