Mega-Colossal Eruption

Escalate: Sacrifice a Mountain.

Choose one:
• Destroy all creatures without flying.
• Destroy all creatures with flying.
• Each player sacrifices a land.
{bull} Mega-Colossal Eruption deals 6 damage to each player.
{bull} Search your library for up to three basic Mountains,
reveal them, and put them into your hand.