M:tG card similarity search
5U · Artifact Creature — Serpent
Steelclad Serpent can't attack unless you control another artifact. 4/5
| Name | Mana | Type | Text |
|---|---|---|---|
| Manta Ray | 1UU | Creature — Fish | Manta Ray can't attack unless defending player controls an Island. Manta Ray can't be blocked except by blue creatures. When you control no Islands, sacrifice Manta Ray. 3/3 |
| Cowed by Wisdom | W | Enchantment — Aura | Enchant creature Enchanted creature can't attack or block unless its controller pays {1} for each card in your hand. |
| Halls of Mist | Land | 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.) Creatures that attacked during their controller's last turn can't attack. | |
| Vigean Hydropon | 1GU | Creature — Plant Mutant | Graft 5 (This creature enters the battlefield with five +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.) Vigean Hydropon can't attack or block. 0/0 |
| Exalted Dragon | 4WW | Creature — Dragon | Flying Exalted Dragon can't attack unless you sacrifice a land. (This cost is paid as attackers are declared.) 5/5 |
| Mogg Flunkies | 1R | Creature — Goblin | Mogg Flunkies can't attack or block alone. 3/3 |
| Koskun Falls | 2BB | World Enchantment | At the beginning of your upkeep, sacrifice Koskun Falls unless you tap an untapped creature you control. Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you. |
| Sphere of Safety | 4W | Enchantment | Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control. |
| Lupine Prototype | 2 | Artifact Creature — Wolf Construct | Lupine Prototype can't attack or block unless a player has no cards in hand. 5/5 |
| Crown-Hunter Hireling | 4R | Creature — Ogre Mercenary | When Crown-Hunter Hireling enters the battlefield, you become the monarch. Crown-Hunter Hireling can't attack unless defending player is the monarch. 4/4 |