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 |
|---|---|---|---|
| Destructive Flow | BRG | Enchantment | At the beginning of each player's upkeep, that player sacrifices a nonbasic land. |
| Living Tsunami | 2UU | Creature — Elemental | Flying At the beginning of your upkeep, sacrifice Living Tsunami unless you return a land you control to its owner's hand. 4/4 |
| Pendrell Mists | 3U | Enchantment | All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay {1}." |
| Ritual of Subdual | 4GG | Enchantment | Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) If a land is tapped for mana, it produces colorless mana instead of any other type. |
| Painwracker Oni | 3BB | Creature — Demon Spirit | Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) At the beginning of your upkeep, sacrifice a creature if you don't control an Ogre. 5/4 |
| Extravagant Spirit | 3U | Creature — Spirit | Flying At the beginning of your upkeep, sacrifice Extravagant Spirit unless you pay {1} for each card in your hand. 4/4 |
| Stasis | 1U | Enchantment | Players skip their untap steps. At the beginning of your upkeep, sacrifice Stasis unless you pay {U}. |
| Barrow Ghoul | 1B | Creature — Zombie | At the beginning of your upkeep, sacrifice Barrow Ghoul unless you exile the top creature card of your graveyard. 4/4 |
| Kuon's Essence | Legendary Enchantment | At the beginning of each player's upkeep, that player sacrifices a creature. | |
| Woebringer Demon | 3BB | Creature — Demon | Flying At the beginning of each player's upkeep, that player sacrifices a creature. If the player can't, sacrifice Woebringer Demon. 4/4 |