Jack-in-the-Mox [Unsanctioned] Nightmare Horse sacrifice it unless you sacrifice

sacrifice it unless you sacrifice five lands

Set: Commander Legends: Battle for Baldur's Gate Type: Artifact — Equipment Rarity: Common Cost: {1}{B} When Thieves' Tools enters the battlefield

Nahiri tried to bend Zendikar to Phyrexia's will

Set: Ikoria: Lair of Behemoths Type: Land — Mountain Plains Swamp Rarity: Rare ({T}: Add {R}

Set: Core Set 2021 Type: Legendary Planeswalker — Garruk Rarity: Mythic Cost: {2}{G}{G} +1: Up to one target creature gets +3/+3 and gains trample until end of turn

Jack-in-the-Mox [Unsanctioned] Nightmare Horse sacrifice it unless you sacrificeSet: Unsanctioned Type: Artifact Rarity: Rare Cost: {0} {T}: Roll a six sided die. This ability has the indicated effect. 1 Sacrifice Jack in the Mox and you lose 5 life. 2 Add {W}. 3 Add {U}. 4 Add {B}. 5 Add {R}. 6 Add {G}.