Wrenn and Six [Modern Horizons] Masters 25 sacrifice it unless you sacrifice

sacrifice it unless you sacrifice any number of creatures with total power 12 or greater

pay {2}{B}

Set: Ravnica: City of Guilds Type: Artifact Rarity: Rare Cost: {3} Whenever a nonartifact permanent enters the battlefield under your control

Set: Judge Gift Cards 2013 Type: Sorcery Rarity: Rare Cost: {6}{B}{B} Destroy all creatures target opponent controls

Set: Amonkhet Prerelease Promos Type: Enchantment Rarity: Mythic Cost: {2}{U} At the beginning of your upkeep

Wrenn and Six [Modern Horizons] Masters 25 sacrifice it unless you sacrificeSet: Modern Horizons Type: Legendary Planeswalker Wrenn Rarity: Mythic Cost: {R}{G} +1: Return up to one target land card from your graveyard to your hand. 1: Wrenn and Six deals 1 damage to any target. 7: You get an emblem with "Instant and sorcery cards in your graveyard have retrace." (You may cast instant and sorcery cards from your graveyard by discarding a land card in addition to paying their other costs.)