M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Opal Palace | Land | {T}: Add {C}. {1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game. | |
| Najal, the Storm Runner | 2UUR | Legendary Creature — Efreet Wizard | You may cast sorcery spells as though they had flash. Whenever Najal, the Storm Runner attacks, you may pay {2}. If you do, when you next cast an instant or sorcery spell this turn, copy it. You may choose new targets for the copy. 5/4 |
| Nettle Sentinel | G | Creature — Elf Warrior | Nettle Sentinel doesn't untap during your untap step. Whenever you cast a green spell, you may untap Nettle Sentinel. 2/2 |
| Kambal, Consul of Allocation | 1WB | Legendary Creature — Human Advisor | Whenever an opponent casts a noncreature spell, that player loses 2 life and you gain 2 life. 2/3 |
| Mogg Sentry | R | Creature — Goblin Warrior | Whenever an opponent casts a spell, Mogg Sentry gets +2/+2 until end of turn. 1/1 |
| Hauken's Insight | Legendary Enchantment | At the beginning of your upkeep, exile the top card of your library face down. You may look at that card for as long as it remains exiled. Once during each of your turns, you may play a land or cast a spell from among the cards exiled with this permanent without paying its mana cost. | |
| Screamer-Killer | 4R | Creature — Tyranid | Trample Bio-Plasmic Scream — Whenever you cast a creature spell with mana value 5 or greater, Screamer-Killer deals 5 damage to any target. 5/5 |
| Eye of the Storm | 5UU | Enchantment | Whenever a player casts an instant or sorcery card, exile it. Then that player copies each instant or sorcery card exiled with Eye of the Storm. For each copy, the player may cast the copy without paying its mana cost. |
| Phantom Beast | 3U | Creature — Illusion Beast | When Phantom Beast becomes the target of a spell or ability, sacrifice it. 4/5 |
| Parallectric Feedback | 3R | Instant | Parallectric Feedback deals damage to target spell's controller equal to that spell's mana value. |