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 |
|---|---|---|---|
| Rubblebelt Boar | 3R | Creature — Boar | When Rubblebelt Boar enters the battlefield, target creature gets +2/+0 until end of turn. 3/3 |
| Jadecraft Artisan | 3G | Creature — Merfolk Shaman | When Jadecraft Artisan enters the battlefield, target creature gets +2/+2 until end of turn. 3/3 |
| Monstrosity of the Lake | 4U | Legendary Creature — Kraken | When Monstrosity of the Lake enters the battlefield, you may pay {5}. If you do, tap all creatures your opponents control, then put a stun counter on each of those creatures. (If a permanent with a stun counter would become untapped, remove one from it instead.) Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.) 4/6 |
| Swell of Courage | 3WW | Instant | Creatures you control get +2/+2 until end of turn. Reinforce X—{X}{W}{W} ({X}{W}{W}, Discard this card: Put X +1/+1 counters on target creature.) |
| Malamet War Scribe | 3WW | Creature — Cat Warrior | When Malamet War Scribe enters the battlefield, creatures you control get +2/+1 until end of turn. 4/3 |
| Protocol Knight | 3U | Creature — Human Knight | When Protocol Knight enters the battlefield, tap target creature an opponent controls. Put a stun counter on that creature if you control another Knight. (If a permanent with a stun counter would become untapped, remove one from it instead.) 3/4 |
| Dinotomaton | 3R | Artifact Creature — Dinosaur Gnome | Menace (This creature can't be blocked except by two or more creatures.) When Dinotomaton enters the battlefield, target creature you control gains menace until end of turn. 4/3 |
| Ambergris, Agent of Tyranny | 2BR | Legendary Creature — Dwarf Cleric | Haste Whenever Ambergris, Agent of Tyranny attacks, you may discard your hand and draw two cards. When you do, target creature an opponent controls gets -X/-X until end of turn, where X is the number of cards you've discarded this turn. 4/3 |
| Chromeshell Crab | 4U | Creature — Crab Beast | Morph {4}{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.) When Chromeshell Crab is turned face up, you may exchange control of target creature you control and target creature an opponent controls. 3/3 |
| Jovial Evil | 2B | Sorcery | Jovial Evil deals X damage to target opponent, where X is twice the number of white creatures that player controls. |