M:tG card similarity search
5B · Creature — Serpent
Bog Serpent can't attack unless defending player controls a Swamp. When you control no Swamps, sacrifice Bog Serpent. 5/5
| Name | Mana | Type | Text |
|---|---|---|---|
| Flooded Woodlands | 2UB | Enchantment | Green creatures can't attack unless their controller sacrifices a land for each green creature they control that's attacking. (This cost is paid as attackers are declared.) |
| War Tax | 2U | Enchantment | {X}{U}: This turn, creatures can't attack unless their controller pays {X} for each attacking creature they control. |
| War Falcon | W | Creature — Bird | Flying War Falcon can't attack unless you control a Knight or a Soldier. 2/1 |
| Steelclad Serpent | 5U | Artifact Creature — Serpent | Steelclad Serpent can't attack unless you control another artifact. 4/5 |
| 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 |
| Training Drone | 3 | Artifact Creature — Drone | Training Drone can't attack or block unless it's equipped. 4/4 |
| 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. |
| Serpent of the Endless Sea | 4U | Creature — Serpent | Serpent of the Endless Sea's power and toughness are each equal to the number of Islands you control. Serpent of the Endless Sea can't attack unless defending player controls an Island. */* |
| Benthic Behemoth | 5UUU | Creature — Serpent | Islandwalk (This creature can't be blocked as long as defending player controls an Island.) 7/6 |
| Kulrath Knight | 3B/RB/R | Creature — Elemental Knight | Flying Wither (This deals damage to creatures in the form of -1/-1 counters.) Creatures your opponents control with counters on them can't attack or block. 3/3 |