M:tG card similarity search
5UUUU · Creature — Leviathan
Trample Leviathan enters the battlefield tapped and doesn't untap during your untap step. At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap Leviathan. Leviathan can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.) 10/10
| Name | Mana | Type | Text |
|---|---|---|---|
| Voltaic Key | 1 | Artifact | {1}, {T}: Untap target artifact. |
| Niblis of Frost | 2UU | Creature — Spirit | Flying Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever you cast an instant or sorcery spell, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. 3/3 |
| Eldrazi Monument | 5 | Artifact | Creatures you control get +1/+1 and have flying and indestructible. At the beginning of your upkeep, sacrifice a creature. If you can't, sacrifice Eldrazi Monument. |
| Prowling Pangolin | 3BB | Creature — Pangolin Beast | When Prowling Pangolin enters the battlefield, any player may sacrifice two creatures. If a player does, sacrifice Prowling Pangolin. 6/5 |
| Anowon, the Ruin Sage | 3BB | Legendary Creature — Vampire Shaman | At the beginning of your upkeep, each player sacrifices a non-Vampire creature. 4/3 |
| Sunken City | UU | Enchantment | At the beginning of your upkeep, sacrifice Sunken City unless you pay {U}{U}. Blue creatures get +1/+1. |
| Harbor Serpent | 4UU | Creature — Serpent | Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Harbor Serpent can't attack unless there are five or more Islands on the battlefield. 5/5 |
| Energy Storm | 1W | Enchantment | Cumulative upkeep {1} (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.) Prevent all damage that would be dealt by instant and sorcery spells. Creatures with flying don't untap during their controllers' untap steps. |
| Jorn, God of Winter | 2G | Legendary Snow Creature — God | Whenever Jorn attacks, untap each snow permanent you control. 3/3 |
| Fettergeist | 2U | Creature — Spirit | Flying At the beginning of your upkeep, sacrifice Fettergeist unless you pay {1} for each other creature you control. 3/4 |