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 |
|---|---|---|---|
| Chromium | 2WWUUBB | Legendary Creature — Elder Dragon | Flying Rampage 2 (Whenever this creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.) At the beginning of your upkeep, sacrifice Chromium unless you pay {W}{U}{B}. 7/7 |
| Fallen Askari | 1B | Creature — Human Knight | Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) Fallen Askari can't block. 2/2 |
| Duergar Assailant | R/W | Creature — Dwarf Soldier | Sacrifice Duergar Assailant: It deals 1 damage to target attacking or blocking creature. 1/1 |
| Soldier Replica | 3 | Artifact Creature — Soldier | {1}{W}, Sacrifice Soldier Replica: It deals 3 damage to target attacking or blocking creature. 1/3 |
| Break Open | 1R | Instant | Turn target face-down creature an opponent controls face up. |
| Guardian of the Ages | 7 | Artifact Creature — Golem | Defender (This creature can't attack.) When a creature attacks you or a planeswalker you control, if Guardian of the Ages has defender, it loses defender and gains trample. 7/7 |
| Thraximundar | 4UBR | Legendary Creature — Zombie Assassin | Haste Whenever Thraximundar attacks, defending player sacrifices a creature. Whenever a player sacrifices a creature, you may put a +1/+1 counter on Thraximundar. 6/6 |
| Azorius Herald | 2W | Creature — Spirit | Azorius Herald can't be blocked. When Azorius Herald enters the battlefield, you gain 4 life. When Azorius Herald enters the battlefield, sacrifice it unless {U} was spent to cast it. 2/1 |
| Necrogen Spellbomb | 1 | Artifact | {B}, Sacrifice Necrogen Spellbomb: Target player discards a card. {1}, Sacrifice Necrogen Spellbomb: Draw a card. |
| Phantasmal Forces | 3U | Creature — Illusion | Flying At the beginning of your upkeep, sacrifice Phantasmal Forces unless you pay {U}. 4/1 |