Sage-Eye Avengers [Fate Reforged] Gladiator's Assault SE Set: Urza's Saga Type: Artifact

Set: Urza's Saga Type: Artifact Rarity: Rare Cost: {4} At the beginning of each player's upkeep

{T}: Destroy target red permanent

I've seen some crazy ones

Set: Betrayers of Kamigawa Type: Legendary Creature — Spirit Rarity: Rare Cost: {4}{R}{R} Goblin offering (You may cast this card any time you could cast an instant by sacrificing a Goblin and paying the difference in mana costs between this and the sacrificed Goblin

Sage-Eye Avengers [Fate Reforged] Gladiator's Assault SE Set: Urza's Saga Type: ArtifactSet: Fate Reforged Type: Creature Djinn Monk Rarity: Rare Cost: {4}{U}{U} Prowess (Whenever you cast a noncreature spell, this creature gets +1 +1 until end of turn.) Whenever Sage Eye Avengers attacks, you may return target creature to its owner's hand if its power is less than Sage Eye Avengers's power.