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 |
|---|---|---|---|
| Rootwater Thief | 1U | Creature — Merfolk Rogue | {U}: Rootwater Thief gains flying until end of turn. Whenever Rootwater Thief deals combat damage to a player, you may pay {2}. If you do, search that player's library for a card and exile it, then the player shuffles. 1/2 |
| Infernal Harvest | 1B | Sorcery | As an additional cost to cast this spell, return X Swamps you control to their owner's hand. Infernal Harvest deals X damage divided as you choose among any number of target creatures. |
| Curse of Clinging Webs | 2G | Enchantment — Aura Curse | Enchant player Whenever a nontoken creature enchanted player controls dies, exile it and you create a 1/2 green Spider creature token with reach. |
| Crater's Claws | XR | Sorcery | Crater's Claws deals X damage to any target. Ferocious — Crater's Claws deals X plus 2 damage instead if you control a creature with power 4 or greater. |
| Sphinx Summoner | 3UB | Artifact Creature — Sphinx | Flying When Sphinx Summoner enters the battlefield, you may search your library for an artifact creature card, reveal it, put it into your hand, then shuffle. 3/3 |
| Megatog | 4RR | Creature — Atog | Sacrifice an artifact: Megatog gets +3/+3 and gains trample until end of turn. 3/4 |
| Roc Hatchling | R | Creature — Bird | Roc Hatchling enters the battlefield with four shell counters on it. At the beginning of your upkeep, remove a shell counter from Roc Hatchling. As long as Roc Hatchling has no shell counters on it, it gets +3/+2 and has flying. 0/1 |
| Heronblade Elite | 2G | Creature — Human Warrior | Vigilance Whenever another Human enters the battlefield under your control, put a +1/+1 counter on Heronblade Elite. {T}: Add X mana of any one color, where X is Heronblade Elite's power. 1/1 |
| Ronom Serpent | 5U | Snow Creature — Serpent | Ronom Serpent can't attack unless defending player controls a snow land. When you control no snow lands, sacrifice Ronom Serpent. 5/6 |
| Kirri, Talented Sprout | 1RGW | Legendary Creature — Plant Druid | Other Plants and Treefolk you control get +2/+0. At the beginning of your postcombat main phase, return target Plant, Treefolk, or land card from your graveyard to your hand. 0/3 |