Mystic Snake [Apocalypse] SM76 You must also Tribute monsters

You must also Tribute monsters whose total Levels equals exactly 6 from the field or your hand

Set: EX: Unseen Forces Type: Lightning Rarity: Uncommon Retreat cost: Colorless

Set: Duelist League Promo Card type: Effect Monster Rarity: Rare Attack: 300 Defense: 200 During your opponent's Battle Phase

Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent you controlled left the battlefield this turn

Mystic Snake [Apocalypse] SM76 You must also Tribute monstersSet: Apocalypse Type: Creature Snake Rarity: Rare Cost: {1}{G}{U}{U} Flash When Mystic Snake enters the battlefield, counter target spell. Its fangs are in your flesh before its hiss leaves your ears.