Serra Avenger [Champs and States] Monkey but their ancient enemies have

but their ancient enemies have not forgotten them

that Mountain produces colorless mana instead of any other type

Set: Kaladesh Prerelease Promos Type: Artifact Creature — Construct Rarity: Mythic Cost: {4}{R}{R} First strike

Set: Commander Anthology Volume II Type: Basic Land — Mountain Rarity: Common ({T}: Add {R}

Set: Champions of Kamigawa Type: Instant — Arcane Rarity: Common Cost: {1}{U} You may tap or untap target permanent

Serra Avenger [Champs and States] Monkey but their ancient enemies haveSet: Champs and States Type: Creature Angel Rarity: Rare Cost: {W}{W} You can't cast this spell during your first, second, or third turns of the game. Flying, vigilance