M:tG card similarity search
2B · Enchantment
At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature. If a land is tapped for mana, it produces {B} instead of any other type and amount.
| Name | Mana | Type | Text |
|---|---|---|---|
| Pale Moon | 1U | Instant | Until end of turn, if a player taps a nonbasic land for mana, it produces colorless mana instead of any other type. |
| Pyre Zombie | 1BR | Creature — Zombie | At the beginning of your upkeep, if Pyre Zombie is in your graveyard, you may pay {1}{B}{B}. If you do, return Pyre Zombie to your hand. {1}{R}{R}, Sacrifice Pyre Zombie: It deals 2 damage to any target. 2/1 |
| The Tabernacle at Pendrell Vale | Legendary Land | All creatures have "At the beginning of your upkeep, destroy this creature unless you pay {1}." | |
| Morgue Toad | 2B | Creature — Frog | Sacrifice Morgue Toad: Add {U}{R}. 2/2 |
| Primeval Force | 2GGG | Creature — Elemental | When Primeval Force enters the battlefield, sacrifice it unless you sacrifice three Forests. 8/8 |
| Basal Thrull | BB | Creature — Thrull | {T}, Sacrifice Basal Thrull: Add {B}{B}. 1/2 |
| Blood Pet | B | Creature — Thrull | Sacrifice Blood Pet: Add {B}. 1/1 |
| Blood Vassal | 2B | Creature — Thrull | Sacrifice Blood Vassal: Add {B}{B}. 2/2 |
| Catalyst Elemental | 2R | Creature — Elemental | Sacrifice Catalyst Elemental: Add {R}{R}. 2/2 |
| Arcades Sabboth | 2GGWWUU | Legendary Creature — Elder Dragon | Flying At the beginning of your upkeep, sacrifice Arcades Sabboth unless you pay {G}{W}{U}. Each untapped creature you control gets +0/+2 as long as it's not attacking. {W}: Arcades Sabboth gets +0/+1 until end of turn. 7/7 |