Library of Leng [Fourth Edition] Zombie Centaur each player chooses a nonland

each player chooses a nonland permanent and puts a doom counter on it

Set: Duels of the Planeswalkers Type: Creature — Elf Warrior Rarity: Common Cost: {G}{G} As graceful as a deer leaping a stream and as deadly as the wolf waiting in ambush on the other side

Set: Morningtide Type: Tribal Instant — Wizard Rarity: Uncommon Cost: {2}{U} Counter target spell unless its controller pays {3}

and Urza's world convulsed

Library of Leng [Fourth Edition] Zombie Centaur each player chooses a nonlandSet: Fourth Edition Type: Artifact Rarity: Uncommon Cost: {1} You have no maximum hand size. If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.