M:tG card similarity search
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
| Name | Mana | Type | Text |
|---|---|---|---|
| Kuon's Essence | Legendary Enchantment | At the beginning of each player's upkeep, that player sacrifices a creature. | |
| Cosmic Larva | 1RR | Creature — Beast | Trample At the beginning of your upkeep, sacrifice Cosmic Larva unless you sacrifice two lands. 7/6 |
| Kataki, War's Wage | 1W | Legendary Creature — Spirit | All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {1}." 2/1 |
| Child of Gaea | 3GGG | Creature — Elemental | Trample At the beginning of your upkeep, sacrifice Child of Gaea unless you pay {G}{G}. {1}{G}: Regenerate Child of Gaea. 7/7 |
| Toy Boat | 3 | Artifact Creature — Ship | Cumulative upkeep—Say "Toy Boat" quickly. (At the beginning of your upkeep, put an age counter on Toy Boat, then sacrifice it unless you say "Toy Boat" once for each age counter on it—without pausing between or fumbling it.) 3/3 |
| Tolarian Serpent | 5UU | Creature — Serpent | At the beginning of your upkeep, mill seven cards. 7/7 |
| Palladia-Mors | 2RRGGWW | Legendary Creature — Elder Dragon | Flying, trample At the beginning of your upkeep, sacrifice Palladia-Mors unless you pay {R}{G}{W}. 7/7 |
| Contamination | 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. |
| Sheoldred, Whispering One | 5BB | Legendary Creature — Phyrexian Praetor | Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature. 6/6 |
| Hungry Hungry Heifer | 2G | Creature — Cow | At the beginning of your upkeep, you may remove a counter from a permanent you control. If you don't, sacrifice Hungry Hungry Heifer. 3/3 |