M:tG card similarity search
1W · Enchantment
At the beginning of your upkeep, if there are four or more creatures on the battlefield, sacrifice Planar Collapse and destroy all creatures. They can't be regenerated.
| Name | Mana | Type | Text |
|---|---|---|---|
| Biolume Serpent | Creature — Serpent | Sacrifice two Islands: Biolume Serpent can't be blocked this turn. 4/4 | |
| Void Rend | WUB | Instant | This spell can't be countered. Destroy target nonland permanent. |
| Tetsuo Umezawa | UBR | Legendary Creature — Human Archer | Tetsuo Umezawa can't be the target of Aura spells. {U}{B}{B}{R}, {T}: Destroy target tapped or blocking creature. 3/3 |
| Knight of the Holy Nimbus | WW | Creature — Human Rebel Knight | Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) If Knight of the Holy Nimbus would be destroyed, regenerate it. (Tap it, remove it from combat, and heal all damage on it.) {2}: Knight of the Holy Nimbus can't be regenerated this turn. Only your opponents may activate this ability. 2/2 |
| Bog Elemental | 3BB | Creature — Elemental | Protection from white At the beginning of your upkeep, sacrifice Bog Elemental unless you sacrifice a land. 5/4 |
| School of Piranha | 1U | Creature — Fish | At the beginning of your upkeep, sacrifice School of Piranha unless you pay {1}{U}. 3/3 |
| Krosan Cloudscraper | 7GGG | Creature — Beast Mutant | At the beginning of your upkeep, sacrifice Krosan Cloudscraper unless you pay {G}{G}. Morph {7}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) 13/13 |
| Hungry Mist | 2GG | Creature — Elemental | At the beginning of your upkeep, sacrifice Hungry Mist unless you pay {G}{G}. 6/2 |
| Phyrexian Reaper | 4B | Creature — Phyrexian Zombie | Whenever Phyrexian Reaper becomes blocked by a green creature, destroy that creature. It can't be regenerated. 3/3 |
| Conversion | 2WW | Enchantment | At the beginning of your upkeep, sacrifice Conversion unless you pay {W}{W}. All Mountains are Plains. |