M:tG card similarity search
· Plane — Horsehead Nebula
Song of the Ood — Noncreature spells have convoke. (A player's creatures can help cast those spells. Each creature they tap while casting a noncreature spell pays for {1} or one mana of that creature's color.) Red-Eye — Whenever chaos ensues, for each opponent, goad up to one target creature that opponent controls. Until your next turn, those creatures can't become tapped unless they're being declared as attackers.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Aetherstorm Roc | 2WW | Creature — Bird | Flying Whenever Aetherstorm Roc or another creature enters the battlefield under your control, you get {E} (an energy counter). Whenever Aetherstorm Roc attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it and tap up to one target creature defending player controls. 3/3 | 
| Curse of the Nightly Hunt | 2R | Enchantment — Aura Curse | Enchant player Creatures enchanted player controls attack each combat if able. | 
| Pirate Ship | 4U | Creature — Human Pirate | Pirate Ship can't attack unless defending player controls an Island. {T}: Pirate Ship deals 1 damage to any target. When you control no Islands, sacrifice Pirate Ship. 4/3 | 
| Sphinx's Decree | 1W | Sorcery | Each opponent can't cast instant or sorcery spells during that player's next turn. | 
| Massacre Wurm | 3BBB | Creature — Phyrexian Wurm | When Massacre Wurm enters the battlefield, creatures your opponents control get -2/-2 until end of turn. Whenever a creature an opponent controls dies, that player loses 2 life. 6/5 | 
| Mossdog | G | Creature — Plant Dog | Whenever Mossdog becomes the target of a spell or ability an opponent controls, put a +1/+1 counter on Mossdog. 1/1 | 
| Nether Void | 3B | World Enchantment | Whenever a player casts a spell, counter it unless that player pays {3}. | 
| Sigarda, Host of Herons | 2GWW | Legendary Creature — Angel | Flying, hexproof Spells and abilities your opponents control can't cause you to sacrifice permanents. 5/5 | 
| Escaped Experiment | 1U | Artifact Creature — Phyrexian Beast | Whenever Escaped Experiment attacks, target creature an opponent controls gets -X/-0 until end of turn, where X is the number of artifacts you control. 2/1 | 
| Time Warp | 3UU | Sorcery | Target player takes an extra turn after this one. |