M:tG card similarity search
5UU · Creature — Fish Beast
Slipstream Eel can't attack unless defending player controls an Island. Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.) 6/6
| Name | Mana | Type | Text | 
|---|---|---|---|
| War Falcon | W | Creature — Bird | Flying War Falcon can't attack unless you control a Knight or a Soldier. 2/1 | 
| 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 | 
| River Serpent | 5U | Creature — Serpent | River Serpent can't attack unless there are five or more cards in your graveyard. Cycling {U} ({U}, Discard this card: Draw a card.) 5/5 | 
| Ghostly Prison | 2W | Enchantment | Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you. | 
| Propaganda | 2U | Enchantment | Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you. | 
| Steelclad Serpent | 5U | Artifact Creature — Serpent | Steelclad Serpent can't attack unless you control another artifact. 4/5 | 
| War Tax | 2U | Enchantment | {X}{U}: This turn, creatures can't attack unless their controller pays {X} for each attacking creature they control. | 
| Bonded Horncrest | 3R | Creature — Dinosaur | Bonded Horncrest can't attack or block alone. 5/5 | 
| Trusty Companion | 1W | Creature — Hyena | Vigilance Trusty Companion can't attack alone. 3/2 | 
| Ember Beast | 2R | Creature — Beast | Ember Beast can't attack or block alone. 3/4 |