Kefnet's Monument [Amonkhet] Lammasu −X: Exile each permanent with

−X: Exile each permanent with mana value X or less that's one or more colors

Set: From the Vault: Exiled Type: Instant Rarity: Mythic Cost: {U} Search your library for an instant or sorcery card

Set: Vanguard Series Type: Vanguard Rarity: Rare {0}: The next 1 damage that would be dealt to target creature you control is dealt to you instead

rather stale

Kefnet's Monument [Amonkhet] Lammasu −X: Exile each permanent withSet: Amonkhet Type: Legendary Artifact Rarity: Uncommon Cost: {3} Blue creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, target creature an opponent controls doesn't untap during its controller's next untap step. "The worthy shall cultivate a nimble mind to perceive the glorious wonders that await them." Monument inscription