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 |
|---|---|---|---|
| Mutilate | 2BB | Sorcery | All creatures get -1/-1 until end of turn for each Swamp you control. |
| Sidar Jabari | 3W | Legendary Creature — Human Knight | Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) Whenever Sidar Jabari attacks, tap target creature defending player controls. 2/2 |
| Downhill Charge | 2R | Instant | You may sacrifice a Mountain rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn, where X is the number of Mountains you control. |
| Linvala, Keeper of Silence | 2WW | Legendary Creature — Angel | Flying Activated abilities of creatures your opponents control can't be activated. 3/4 |
| Silver Deputy | 2 | Artifact Creature — Mercenary | When Silver Deputy enters the battlefield, you may search your library for a basic land card or a Desert card, reveal it, then shuffle and put it on top. {T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery. 1/2 |
| Gimli's Fury | 1R | Instant | Target creature gets +3/+2 until end of turn. If it's legendary, it also gains trample until end of turn. |
| Herald of Anguish | 5BB | Creature — Demon | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Flying At the beginning of your end step, each opponent discards a card. {1}{B}, Sacrifice an artifact: Target creature gets -2/-2 until end of turn. 5/5 |
| Underdark Explorer | 4B | Creature — Lizard Warrior | Menace (This creature can't be blocked except by two or more creatures.) When Underdark Explorer enters the battlefield, you take the initiative. 5/3 |
| Heliod's Emissary | 3W | Enchantment Creature — Elk | Bestow {6}{W} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Whenever Heliod's Emissary or enchanted creature attacks, tap target creature an opponent controls. Enchanted creature gets +3/+3. 3/3 |
| Cavern-Hoard Dragon | 7RR | Creature — Dragon | This spell costs {X} less to cast, where X is the greatest number of artifacts an opponent controls. Flying, trample, haste Whenever Cavern-Hoard Dragon deals combat damage to a player, you create a Treasure token for each artifact that player controls. 6/6 |