Training Grounds [March of the Machine: The Aftermath] 177a Set: EX: Emerald Type: Colorless

Set: EX: Emerald Type: Colorless Rarity: Ultra Rare Retreat cost: Colorless

Ulamog has annihilator X

and attacks they control lose and can't gain go again during their next action phase

Set: Expedition: Base Set Type: Grass Rarity: Rare Retreat cost: Colorless

Set: Assassin's Creed Type: Enchantment Rarity: Uncommon Cost: {2}{U} Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you

Training Grounds [March of the Machine: The Aftermath] 177a Set: EX: Emerald Type: ColorlessSet: March of the Machine: The Aftermath Type: Enchantment Rarity: Rare Cost: {U} Activated abilities of creatures you control cost up to {2} less to activate. This effect can't reduce the mana in that cost to less than one mana. For those who survived, being prepared for the next crisis became one of the greatest virtues.