M:tG card similarity search
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
| Name | Mana | Type | Text |
|---|---|---|---|
| Change of Heart | W | Instant | Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Target creature can't attack this turn. |
| Light of Day | 3W | Enchantment | Black creatures can't attack or block. |
| 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. | |
| Sea Serpent | 5U | Creature — Serpent | Sea Serpent can't attack unless defending player controls an Island. When you control no Islands, sacrifice Sea Serpent. 5/5 |
| Dandân | UU | Creature — Fish | Dandân can't attack unless defending player controls an Island. When you control no Islands, sacrifice Dandân. 4/1 |
| Slipstream Serpent | 7U | Creature — Serpent | Slipstream Serpent can't attack unless defending player controls an Island. When you control no Islands, sacrifice Slipstream Serpent. Morph {5}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) 6/6 |
| Archangel of Tithes | 1WWW | Creature — Angel | Flying As long as Archangel of Tithes is untapped, creatures can't attack you or planeswalkers you control unless their controller pays {1} for each of those creatures. As long as Archangel of Tithes is attacking, creatures can't block unless their controller pays {1} for each of those creatures. 3/5 |
| Bog Serpent | 5B | Creature — Serpent | Bog Serpent can't attack unless defending player controls a Swamp. When you control no Swamps, sacrifice Bog Serpent. 5/5 |
| Lupine Prototype | 2 | Artifact Creature — Wolf Construct | Lupine Prototype can't attack or block unless a player has no cards in hand. 5/5 |
| Lurker | 2G | Creature — Beast | Lurker can't be the target of spells unless it attacked or blocked this turn. 2/3 |