Obelisk of Undoing [Antiquities] Grand Prix Promos the attack gains an additional

the attack gains an additional +2 [Power]

When Cyclopean Tomb is put into a graveyard from the battlefield

{T}: Add {W} or {U}

Set: Welcome to Rathe Edition: Alpha Print Finish: Regular Type: Action Subtype: Attack Rarity: Majestic Class: Guardian Cost: 5 Power: 9 Crush - If Spinal Crush deals 4 or more damage to a hero

except for creatures that couldn't attack

Obelisk of Undoing [Antiquities] Grand Prix Promos the attack gains an additionalSet: 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.