M:tG card similarity search
5R · Enchantment
Whenever you cast a spell from your hand, reveal the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value X or less from among cards revealed this way without paying its mana cost. Put the rest on the bottom of your library in a random order.
| Name | Mana | Type | Text |
|---|---|---|---|
| Mind Grind | XUB | Sorcery | Each opponent reveals cards from the top of their library until they reveal X land cards, then puts all cards revealed this way into their graveyard. X can't be 0. |
| One with the Machine | 3U | Sorcery | Draw cards equal to the highest mana value among artifacts you control. |
| Veiled Sentry | U | Enchantment | When an opponent casts a spell, if Veiled Sentry is an enchantment, Veiled Sentry becomes an Illusion creature with power and toughness each equal to that spell's mana value. |
| 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 |
| Massacre | 2BB | Sorcery | If an opponent controls a Plains and you control a Swamp, you may cast this spell without paying its mana cost. All creatures get -2/-2 until end of turn. |
| Dream Halls | 3UU | Enchantment | Rather than pay the mana cost for a spell, its controller may discard a card that shares a color with that spell. |
| Vial Smasher the Fierce | 1BR | Legendary Creature — Goblin Berserker | Whenever you cast your first spell each turn, choose an opponent at random. Vial Smasher the Fierce deals damage equal to that spell's mana value to that player or a planeswalker that player controls. Partner (You can have two commanders if both have partner.) 2/3 |
| Vivien's Grizzly | 2G | Creature — Bear Spirit | {3}{G}: Look at the top card of your library. If it's a creature or planeswalker card, you may reveal it and put it into your hand. If you don't put the card into your hand, put it on the bottom of your library. 2/3 |
| Brain in a Jar | 2 | Artifact | {1}, {T}: Put a charge counter on Brain in a Jar, then you may cast an instant or sorcery spell with mana value equal to the number of charge counters on Brain in a Jar from your hand without paying its mana cost. {3}, {T}, Remove X charge counters from Brain in a Jar: Scry X. |
| Capricious Hellraiser | 3RRR | Creature — Phyrexian Dragon | This spell costs {3} less to cast if you have nine or more cards in your graveyard. Flying When Capricious Hellraiser enters the battlefield, exile three cards at random from your graveyard. Choose a noncreature, nonland card from among them and copy it. You may cast the copy without paying its mana cost. 4/4 |