M:tG card similarity search
5U · Creature — Serpent
Sea Serpent can't attack unless defending player controls an Island. When you control no Islands, sacrifice Sea Serpent. 5/5
| Name | Mana | Type | Text |
|---|---|---|---|
| Glacial Crasher | 4UU | Creature — Elemental | Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Glacial Crasher can't attack unless there is a Mountain on the battlefield. 5/5 |
| Trusty Companion | 1W | Creature — Hyena | Vigilance Trusty Companion can't attack alone. 3/2 |
| Island Fish Jasconius | 4UUU | Creature — Fish | Island Fish Jasconius doesn't untap during your untap step. At the beginning of your upkeep, you may pay {U}{U}{U}. If you do, untap Island Fish Jasconius. Island Fish Jasconius can't attack unless defending player controls an Island. When you control no Islands, sacrifice Island Fish Jasconius. 6/8 |
| Bonded Horncrest | 3R | Creature — Dinosaur | Bonded Horncrest can't attack or block alone. 5/5 |
| Goblin Rock Sled | 1R | Creature — Goblin | Trample Goblin Rock Sled doesn't untap during your untap step if it attacked during your last turn. Goblin Rock Sled can't attack unless defending player controls a Mountain. 3/1 |
| Flummoxed Cyclops | 3R | Creature — Cyclops | Reach Whenever two or more creatures your opponents control attack, Flummoxed Cyclops can't block this combat. 4/4 |
| Jackal Familiar | R | Creature — Jackal | Jackal Familiar can't attack or block alone. 2/2 |
| Sealock Monster | 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 |
| Tromokratis | 5UU | Legendary Creature — Kraken | Tromokratis has hexproof unless it's attacking or blocking. Tromokratis can't be blocked unless all creatures defending player controls block it. (If any creature that player controls doesn't block this creature, it can't be blocked.) 8/8 |
| Ember Beast | 2R | Creature — Beast | Ember Beast can't attack or block alone. 3/4 |