Slayer's Cleaver [Eldritch Moon] Centaur Warrior or planeswalker an opponent controls

or planeswalker an opponent controls

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Warrior Rarity: Rare Cost: {5}{R} Haste

destroy another nonland permanent chosen at random

Set: Kaladesh Prerelease Promos Type: Instant Rarity: Rare Cost: {3}{U} Return any number of target nonland

I believe they are the protectors of the lost secrets of our world

Slayer's Cleaver [Eldritch Moon] Centaur Warrior or planeswalker an opponent controlsSet: Eldritch Moon Type: Artifact Equipment Rarity: Uncommon Cost: {3} Equipped creature gets +3 +1 and must be blocked by an Eldrazi if able. Equip {4} "Don't stop chopping until the pieces stop wiggling." Rem Karolus, Slayer of Eldrazi