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 | 
|---|---|---|---|
| Rip to Pieces | Sorcery | At the beginning of combat this turn, each Reveler deals 1 damage to each player and each creature those players control. | |
| Erayo's Essence | Legendary Enchantment | Whenever an opponent casts their first spell each turn, counter that spell. | |
| Goma Fada Vanguard | 1R | Creature — Human Warrior | Whenever Goma Fada Vanguard attacks, target creature an opponent controls with power less than or equal to the number of Warriors you control can't block this turn. 2/2 | 
| Shrouded Serpent | 4UUU | Creature — Serpent | Whenever Shrouded Serpent attacks, defending player may pay {4}. If that player doesn't, Shrouded Serpent can't be blocked this turn. 4/4 | 
| Instigator | 1B | Creature — Human Spellshaper | {1}{B}{B}, {T}, Discard a card: Creatures target player controls attack this turn if able. 1/1 | 
| Deep-Sea Kraken | 7UUU | Creature — Kraken | Deep-Sea Kraken can't be blocked. Suspend 9—{2}{U} (Rather than cast this card from your hand, you may pay {2}{U} and exile it with nine time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.) Whenever an opponent casts a spell, if Deep-Sea Kraken is suspended, remove a time counter from it. 6/6 | 
| Call for Aid | 4R | Sorcery | Gain control of all creatures target opponent controls until end of turn. Untap those creatures. They gain haste until end of turn. You can't attack that player this turn. You can't sacrifice those creatures this turn. | 
| The Second Doctor | 2WU | Legendary Creature — Time Lord Doctor | Players have no maximum hand size. How Civil of You — At the beginning of your end step, each player may draw a card. Each opponent who does can't attack you or permanents you control during their next turn. 2/4 | 
| Favored Enemy | G | Enchantment | As Favored Enemy enters the battlefield, note the most prevalent creature type in an opponent's library. When Favored Enemy enters the battlefield, target creature you control fights up to one target creature you don't control. Whenever a creature an opponent controls of the noted type dies, put a +1/+1 counter on target creature you control. | 
| Grim Contest | 1BG | Instant | Choose target creature you control and target creature an opponent controls. Each of those creatures deals damage equal to its toughness to the other. |