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 |
|---|---|---|---|
| Eager Construct | 2 | Artifact Creature — Construct | When Eager Construct enters the battlefield, each player may scry 1. (To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.) 2/2 |
| Killer Whale | 3UU | Creature — Whale | {U}: Killer Whale gains flying until end of turn. 3/5 |
| Regal Sliver | 3W | Creature — Sliver | Sliver creatures you control have "When this creature enters the battlefield, Slivers you control get +1/+1 until end of turn if you're the monarch. Otherwise, you become the monarch." 3/3 |
| Lightkeeper of Emeria | 3W | Creature — Angel | Multikicker {W} (You may pay an additional {W} any number of times as you cast this spell.) Flying When Lightkeeper of Emeria enters the battlefield, you gain 2 life for each time it was kicked. 2/4 |
| Yotian Frontliner | 1 | Artifact Creature — Soldier | Whenever Yotian Frontliner attacks, another target creature you control gets +1/+1 until end of turn. Unearth {W} ({W}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.) 1/1 |
| High-Rise Sawjack | 2G | Creature — Elf Citizen | Reach Whenever High-Rise Sawjack blocks a creature with flying, High-Rise Sawjack gets +2/+0 until end of turn. 2/3 |
| Aetherstream Leopard | 2G | Creature — Cat | Trample When Aetherstream Leopard enters the battlefield, you get {E} (an energy counter). Whenever Aetherstream Leopard attacks, you may pay {E}. If you do, it gets +2/+0 until end of turn. 2/3 |
| Riparian Tiger | 3GG | Creature — Cat | Trample When Riparian Tiger enters the battlefield, you get {E}{E} (two energy counters). Whenever Riparian Tiger attacks, you may pay {E}{E}. If you do, it gets +2/+2 until end of turn. 4/4 |
| Flatline | 2U | Instant | Creatures your opponents control have base power and toughness 0/1 until end of turn. |
| Sustainer of the Realm | 2WW | Creature — Angel | Flying Whenever Sustainer of the Realm blocks, it gets +0/+2 until end of turn. 2/3 |