M:tG card similarity search
1U · Creature — Siren
Flash Flying When Threnody Singer enters the battlefield, target creature an opponent controls gets -X/-0 until end of turn, where X is your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) 1/3
| Name | Mana | Type | Text | 
|---|---|---|---|
| Mesa Pegasus | 1W | Creature — Pegasus | Flying; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.) 1/1 | 
| Mortuary Mire | Land | Mortuary Mire enters the battlefield tapped. When Mortuary Mire enters the battlefield, you may put target creature card from your graveyard on top of your library. {T}: Add {B}. | |
| Swallowing Plague | XBB | Sorcery — Arcane | Swallowing Plague deals X damage to target creature and you gain X life. | 
| Goatnapper | 2R | Creature — Goblin Rogue | When Goatnapper enters the battlefield, untap target Goat and gain control of it until end of turn. It gains haste until end of turn. 2/2 | 
| Krav, the Unredeemed | 4B | Legendary Creature — Demon | Partner with Regna, the Redeemer (When this creature enters the battlefield, target player may put Regna into their hand from their library, then shuffle.) {B}, Sacrifice X creatures: Target player draws X cards and gains X life. Put X +1/+1 counters on Krav, the Unredeemed. 3/3 | 
| Leech Bonder | 2U | Creature — Merfolk Soldier | Leech Bonder enters the battlefield with two -1/-1 counters on it. {U}, {Q}: Move a counter from target creature onto a second target creature. ({Q} is the untap symbol.) 3/3 | 
| Ixalan's Binding | 3W | Enchantment | When Ixalan's Binding enters the battlefield, exile target nonland permanent an opponent controls until Ixalan's Binding leaves the battlefield. Your opponents can't cast spells with the same name as the exiled card. | 
| Banish to Another Universe | 4W | Enchantment | Affinity for historic permanents (This spell costs {1} less to cast for each artifact, legendary, and/or Saga permanent you control.) When Banish to Another Universe enters the battlefield, exile target nonland permanent an opponent controls until Banish to Another Universe leaves the battlefield. | 
| Quillspike | 2B/G | Creature — Beast | {B/G}, Remove a -1/-1 counter from a creature you control: Quillspike gets +3/+3 until end of turn. 1/1 | 
| Griffin Protector | 3W | Creature — Griffin | Flying Whenever another creature enters the battlefield under your control, Griffin Protector gets +1/+1 until end of turn. 2/3 |