M:tG card similarity search
3UU · Creature — Octopus
Sealock Monster can't attack unless defending player controls an Island. {5}{U}{U}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When Sealock Monster becomes monstrous, target land becomes an Island in addition to its other types. 5/5
| Name | Mana | Type | Text |
|---|---|---|---|
| Unstable Frontier | Land | {T}: Add {C}. {T}: Target land you control becomes the basic land type of your choice until end of turn. | |
| Ember Swallower | 2RR | Creature — Elemental | {5}{R}{R}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When Ember Swallower becomes monstrous, each player sacrifices three lands. 4/5 |
| Hidden Stag | 1G | Enchantment | Whenever an opponent plays a land, if Hidden Stag is an enchantment, Hidden Stag becomes a 3/2 Elk Beast creature. Whenever you play a land, if Hidden Stag is a creature, Hidden Stag becomes an enchantment. |
| Brimstone Vandal | 2R | Creature — Devil | Menace (This creature can't be blocked except by two or more creatures.) If it's neither day nor night, it becomes day as Brimstone Vandal enters the battlefield. Whenever day becomes night or night becomes day, Brimstone Vandal deals 1 damage to each opponent. 2/3 |
| Tundra Kavu | 2R | Creature — Kavu | {T}: Target land becomes a Plains or an Island until end of turn. 2/2 |
| Halcyon Glaze | 1UU | Enchantment | Whenever you cast a creature spell, Halcyon Glaze becomes a 4/4 Illusion creature with flying in addition to its other types until end of turn. |
| Proteus Machine | 3 | Artifact Creature — Shapeshifter | Morph {0} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Proteus Machine is turned face up, it becomes the creature type of your choice. (This effect lasts indefinitely.) 2/2 |
| Mystic Compass | 2 | Artifact | {1}, {T}: Target land becomes the basic land type of your choice until end of turn. |
| Chained Throatseeker | 5U | Creature — Phyrexian Horror | Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Chained Throatseeker can't attack unless defending player is poisoned. 5/5 |
| Sea Snidd | 4U | Creature — Beast | {T}: Target land becomes the basic land type of your choice until end of turn. 3/3 |