M:tG card similarity search
5UU · Enchantment
Whenever an opponent casts their first spell each turn, that player exiles the top card of their library. If it's a nonland card, you may cast it without paying its mana cost.
| Name | Mana | Type | Text |
|---|---|---|---|
| Rona, Sheoldred's Faithful | 1UBB | Legendary Creature — Human Wizard | Whenever you cast an instant or sorcery spell, each opponent loses 1 life. You may cast Rona, Sheoldred's Faithful from your graveyard by discarding two cards in addition to paying its other costs. 3/4 |
| Unblinking Observer | 1U | Creature — Homunculus | {T}: Add {U}. Spend this mana only to pay a disturb cost or cast an instant or sorcery spell. 2/1 |
| Rundvelt Hordemaster | 1R | Creature — Goblin Warrior | Other Goblins you control get +1/+1. Whenever Rundvelt Hordemaster or another Goblin you control dies, exile the top card of your library. If it's a Goblin creature card, you may cast that card until the end of your next turn. 1/1 |
| Living Breakthrough | Enchantment Creature — Moonfolk | Flying Whenever you cast a spell, your opponents can't cast spells with the same mana value as that spell until your next turn. 3/3 | |
| Weathered Runestone | 2 | Artifact | Nonland permanent cards in graveyards and libraries can't enter the battlefield. Players can't cast spells from graveyards or libraries. |
| Primal Surge | 8GG | Sorcery | Exile the top card of your library. If it's a permanent card, you may put it onto the battlefield. If you do, repeat this process. |
| Silence | W | Instant | Your opponents can't cast spells this turn. |
| Sapphire Collector | 2R | Creature — Human Mercenary | Prowess When you cast your second noncreature spell in a turn, conjure a card named Mox Sapphire into your hand. This ability triggers only once. {2}{U}: Target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. 3/3 |
| Soul Barrier | 2U | Enchantment | Whenever an opponent casts a creature spell, Soul Barrier deals 2 damage to that player unless they pay {2}. |
| Witch-king, Sky Scourge | 5BR | Legendary Creature — Wraith Noble | Flying Whenever you attack with one or more Wraiths, exile the top X cards of your library, where X is their total power. You may play those cards this turn. Undying (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.) 5/5 |