M:tG card similarity search
2U · Creature — Nightmare Merfolk
Swimmer in Nightmares gets +3/+0 as long as there are ten or more cards in a single graveyard. Swimmer in Nightmares can't be blocked as long as you control an Ashiok planeswalker. 1/4
| Name | Mana | Type | Text |
|---|---|---|---|
| Cait, Cage Brawler | RG | Legendary Creature — Human Warrior | As long as it's your turn, Cait, Cage Brawler has indestructible. Whenever Cait attacks, you and defending player each draw a card, then discard a card. Put two +1/+1 counters on Cait if you discarded the card with the highest mana value among those cards or tied for highest. 1/1 |
| Thelon of Havenwood | GG | Legendary Creature — Elf Druid | Each Fungus creature gets +1/+1 for each spore counter on it. {B}{G}, Exile a Fungus card from a graveyard: Put a spore counter on each Fungus on the battlefield. 2/2 |
| Gravelgill Duo | 2U/B | Creature — Merfolk Rogue Warrior | Whenever you cast a blue spell, Gravelgill Duo gets +1/+1 until end of turn. Whenever you cast a black spell, Gravelgill Duo gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.) 2/1 |
| Combat Research | U | Enchantment — Aura | Enchant creature Enchanted creature has "Whenever this creature deals combat damage to a player, draw a card." As long as enchanted creature is legendary, it gets +1/+1 and has ward {1}. (Whenever enchanted creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.) |
| 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. | |
| Carrion Wall | 1BB | Creature — Wall | Defender (This creature can't attack.) {1}{B}: Regenerate Carrion Wall. 3/2 |
| Living Wall | 4 | Artifact Creature — Wall | Defender (This creature can't attack.) {1}: Regenerate Living Wall. 0/6 |
| Choking Restraints | 2W | Enchantment — Aura | Enchant creature Enchanted creature can't attack or block. {3}{W}{W}, Sacrifice Choking Restraints: Exile enchanted creature. |
| Incendiary Oracle | 1R | Creature — Human Shaman | {1}{R}: Incendiary Oracle gets +1/+0 until end of turn. If a creature dealt damage by Incendiary Oracle this turn would die, exile it instead. 2/2 |
| 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. */* |