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 |
|---|---|---|---|
| Hecatomb | 1BB | Enchantment | When Hecatomb enters the battlefield, sacrifice Hecatomb unless you sacrifice four creatures. Tap an untapped Swamp you control: Hecatomb deals 1 damage to any target. |
| Sidar Jabari | 3W | Legendary Creature — Human Knight | Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) Whenever Sidar Jabari attacks, tap target creature defending player controls. 2/2 |
| Unhallowed Cathar | Creature — Zombie Soldier | Unhallowed Cathar can't block. 2/1 | |
| Teleport | UUU | Instant | Cast this spell only during the declare attackers step. Target creature can't be blocked this turn. |
| Sightless Ghoul | 3B | Creature — Zombie Soldier | Sightless Ghoul can't block. Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.) 2/2 |
| Departed Deckhand | 1U | Creature — Spirit Pirate | When Departed Deckhand becomes the target of a spell, sacrifice it. Departed Deckhand can't be blocked except by Spirits. {3}{U}: Another target creature you control can't be blocked this turn except by Spirits. 2/2 |
| Bloodmist Infiltrator | 2B | Creature — Vampire | Whenever Bloodmist Infiltrator attacks, you may sacrifice another creature. If you do, Bloodmist Infiltrator can't be blocked this turn. 3/1 |
| Evangelize | 4W | Sorcery | Buyback {2}{W}{W} (You may pay an additional {2}{W}{W} as you cast this spell. If you do, put this card into your hand as it resolves.) Gain control of target creature of an opponent's choice they control. |
| Catalyst Elemental | 2R | Creature — Elemental | Sacrifice Catalyst Elemental: Add {R}{R}. 2/2 |
| Penregon Besieged | 1B | Enchantment | At the beginning of your end step, choose a creature with the least toughness among creatures your opponents control. It perpetually gets -1/-1. When your opponents control no creatures, sacrifice Penregon Besieged. |