M:tG card similarity search
2UU · Legendary Creature — Siren
{2}{U}: Goad target creature. Whenever that creature attacks one of your opponents this turn, you draw a card. (A goaded creature attacks each combat if able and attacks a player other than you if able, until your next turn.) 3/4
| Name | Mana | Type | Text |
|---|---|---|---|
| Portal Manipulator | 2W/UW/U | Creature — Human Wizard | Flash When Portal Manipulator enters the battlefield during the declare attackers step, choose target player and any number of target attacking creatures their opponents control. Those creatures are now attacking that player. 3/2 |
| Historian of Zhalfir | 2UU | Creature — Human Wizard | Whenever Historian of Zhalfir attacks, if you control a Teferi planeswalker, draw a card. 3/3 |
| River Kelpie | 3UU | Creature — Beast | Whenever River Kelpie or another permanent enters the battlefield from a graveyard, draw a card. Whenever a player casts a spell from a graveyard, draw a card. Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.) 3/3 |
| Curse of Vitality | 2W | Enchantment — Aura Curse | Enchant player Whenever enchanted player is attacked, you gain 2 life. Each opponent attacking that player does the same. |
| Red Herring | 1R | Artifact Creature — Clue Fish | Haste Red Herring attacks each combat if able. {2}, Sacrifice Red Herring: Draw a card. 2/2 |
| Conspiracy Theorist | 1R | Creature — Human Shaman | Whenever Conspiracy Theorist attacks, you may pay {1} and discard a card. If you do, draw a card. Whenever you discard one or more nonland cards, you may exile one of them from your graveyard. If you do, you may cast it this turn. 2/2 |
| Mass Appeal | 2U | Sorcery | Draw a card for each Human you control. |
| Ob Nixilis, the Hate-Twisted | 3BB | Legendary Planeswalker — Nixilis | Whenever an opponent draws a card, Ob Nixilis, the Hate-Twisted deals 1 damage to that player. [−2]: Destroy target creature. Its controller draws two cards. Loyalty 5 |
| Whirlwind of Thought | 1URW | Enchantment | Whenever you cast a noncreature spell, draw a card. |
| Ophidian | 2U | Creature — Snake | Whenever Ophidian attacks and isn't blocked, you may draw a card. If you do, Ophidian assigns no combat damage this turn. 1/3 |