Keen Duelist (Rainbow Foil) [Secret Lair Drop Series] Dice Case you may sacrifice a creature

you may sacrifice a creature

Set: Strixhaven: Mystical Archive Type: Sorcery Rarity: Mythic Cost: {4}{U}{U} Shuffle your library

if it wasn't cast

and that's where the sails come in

Set: Fallout Type: Instant Rarity: Common Cost: {1}{B} As an additional cost to cast this spell

Keen Duelist (Rainbow Foil) [Secret Lair Drop Series] Dice Case you may sacrifice a creatureSet: Secret Lair Drop Series Type: Creature Human Wizard Rarity: Rare Cost: {1}{B} At the beginning of your upkeep, you and target opponent each reveal the top card of your library. You each lose life equal to the mana value of the card revealed by the other player. You each put the card you revealed into your hand. Win before you start playing the game.