Obelisk of Undoing [Antiquities]Set: Antiquities 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.

lands you control gain "Sacrifice this land: Add {B}

each of your other opponents sacrifices a land

Set: Battle for Zendikar Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {10} When you cast this spell

reveal the top card of your library and put that card into your hand

"I confer with Death itself

Set: Shards of Alara Type: Instant Rarity: Rare Cost: {3}{B}{B} Reveal the top card of your library and put that card into your hand

When Dance of Many leaves the battlefield

then sacrifices the rest

exile the token

Set: Commander Anthology Volume II Type: Creature — Goblin Artificer Rarity: Rare Cost: {R} {T}: Choose target artifact a player controls and target artifact card in that player's graveyard

Equip only as a sorcery

draw seven cards