Desperate Ritual [Duel Decks: Mind vs. Might] Planar Chaos Set: Dragon's Maze Type: Instant

Set: Dragon's Maze Type: Instant Rarity: Uncommon Cost: {1}{W}{U} Return each creature that dealt damage this turn to its owner's hand

Sacrifice this artifact: Add one mana of any color

Tetravus enters the battlefield with three +1/+1 counters on it

Set: Explorers of Ixalan Type: Instant Rarity: Rare Cost: {5}{W} Double target player's life total

Desperate Ritual [Duel Decks: Mind vs. Might] Planar Chaos Set: Dragon's Maze Type: InstantSet: Duel Decks: Mind vs. Might Type: Instant Arcane Rarity: Uncommon Cost: {1}{R} Add {R}{R}{R}. Splice onto Arcane {1}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)