Mountain (Retro) (590) [30th Anniversary Edition] Demon Spirit

Mountain (Retro) (590) [30th Anniversary Edition] Demon SpiritSet: 30th Anniversary Edition Type: Basic Land Mountain Rarity: Common ({T}: Add {R}.)

It has "Sacrifice this creature: Add C

Set: Phyrexia: All Will Be One Type: Legendary Creature — Phyrexian Horror Rarity: Mythic Cost: {2}{U}{U} Flying

Set: Dominaria Remastered Type: Sorcery Rarity: Mythic Cost: {R}{R} Take an extra turn after this one

Whenever a creature an opponent controls dies

Dash {1}{R} (You may cast this spell for its dash cost

Argivian surveyor

novice chronomancer

Set: Secret Lair: From Cute to Brute Type: Artifact Rarity: Uncommon Cost: {2} T: Add to your mana pool one mana of any color that a land an opponent controls could produce

When Yorion enters the battlefield

where X is the amount of music counters on Discordia

no matter how large or pointy

Set: 30th Anniversary Edition Type: Land — Forest Plains Rarity: Rare ({T}: Add {G} or {W}