M:tG card similarity search
2U · World Enchantment
Whenever a player casts an instant spell, counter it unless that player pays {X}, where X is its mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Keeper of Secrets | 5R | Creature — Demon | First strike, haste Symphony of Pain — Whenever you cast a spell from anywhere other than your hand, Keeper of Secrets deals damage equal to that spell's mana value to target opponent. 6/4 |
| Passionate Archaeologist | 1R | Legendary Enchantment — Background | Commander creatures you own have "Whenever you cast a spell from exile, this creature deals damage equal to that spell's mana value to target opponent." |
| Swindler's Scheme | 2U | Enchantment | Whenever an opponent casts a spell from their hand, you may reveal the top card of your library. If it shares a card type with that spell, counter that spell and that opponent may cast the revealed card without paying its mana cost. |
| Panoptic Mirror | 5 | Artifact | Imprint — {X}, {T}: You may exile an instant or sorcery card with mana value X from your hand. At the beginning of your upkeep, you may copy a card exiled with Panoptic Mirror. If you do, you may cast the copy without paying its mana cost. |
| Crystal Rod | 1 | Artifact | Whenever a player casts a blue spell, you may pay {1}. If you do, you gain 1 life. |
| 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 |
| Hesitation | 1U | Enchantment | When a player casts a spell, sacrifice Hesitation and counter that spell. |
| Lunar Force | 2U | Enchantment | When an opponent casts a spell, sacrifice Lunar Force and counter that spell. |
| Nashi, Moon Sage's Scion | 1BB | Legendary Creature — Rat Ninja | Ninjutsu {3}{B} ({3}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Nashi, Moon Sage's Scion deals combat damage to a player, exile the top card of each player's library. Until end of turn, you may play one of those cards. If you cast a spell this way, pay life equal to its mana value rather than paying its mana cost. 3/2 |
| Stir the Grave | XB | Sorcery | Return target creature card with mana value X or less from your graveyard to the battlefield. |