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 |
|---|---|---|---|
| Mortal's Ardor | W | Instant | Target creature gets +1/+1 and gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.) |
| Kytheon's Tactics | 1WW | Sorcery | Creatures you control get +2/+1 until end of turn. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, those creatures also gain vigilance until end of turn. (Attacking doesn't cause them to tap.) |
| Eternal Flame | 2RR | Sorcery | Eternal Flame deals X damage to target opponent or planeswalker and half X damage, rounded up, to you, where X is the number of Mountains you control. |
| Plague Witch | 1B | Creature — Elf Spellshaper | {B}, {T}, Discard a card: Target creature gets -1/-1 until end of turn. 1/1 |
| Stinging Study | 4B | Instant | You draw X cards and you lose X life, where X is the mana value of a commander you own on the battlefield or in the command zone. |
| Gift of Strength | 1G | Instant | Target creature gets +3/+3 and gains reach until end of turn. |
| Shape the Sands | G | Instant | Target creature gets +0/+5 and gains reach until end of turn. (It can block creatures with flying.) |
| Silk Net | G | Instant | Target creature gets +1/+1 and gains reach until end of turn. (It can block creatures with flying.) |
| Snare the Skies | G | Instant | Target creature gets +1/+1 and gains reach until end of turn. (It can block creatures with flying.) |
| Collective Blessing | 3GGW | Enchantment | Creatures you control get +3/+3. |