Zalteth, Undead Warlord

Choose 1 of 3:
• {5}: Destroy all creatures on the battlefield.
• {3}{x}{x}{x}: For each {x}{x}{x} you pay, you gain
1 life.
• {5}: Search your library for up to 2 instant or
sorcery cards.
Once you choose an ability, you cannot use it
again for the rest of the game.