Obelisk of Undoing [Fifth Edition] Human Knight Ally you may move a +1/+1

you may move a +1/+1 counter from this creature onto it

For each other card named Cardboard Carapace you have with you outside the game

Set: Portal Type: Sorcery Rarity: Common Cost: {1}{W} You gain 4 life

you may return target enchantment card from your graveyard to the battlefield

Set: Anthologies Type: Land Rarity: Common Smoldering Crater enters the battlefield tapped

Obelisk of Undoing [Fifth Edition] Human Knight Ally you may move a +1/+1Set: Fifth Edition Type: Artifact Rarity: Rare Cost: {1} {6}, {T}: Return target permanent you both own and control to your hand. The Battle of Tomakul taught Urza not to rely on fickle reinforcements.