M:tG card similarity search
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.
| Name | Mana | Type | Text |
|---|---|---|---|
| Boon of Boseiju | 1G | Instant | Target creature gets +X/+X until end of turn, where X is the greatest mana value among permanents you control. Untap it. |
| Change the Equation | 1U | Instant | Choose one — • Counter target spell with mana value 2 or less. • Counter target red or green spell with mana value 6 or less. |
| Shed Weakness | G | Instant | Target creature gets +2/+2 until end of turn. You may remove a -1/-1 counter from it. |
| Haldan, Avid Arcanist | 2U | Legendary Creature — Human Wizard | Partner with Pako, Arcane Retriever (When this creature enters the battlefield, target player may put Pako into their hand from their library, then shuffle.) You may play lands and cast noncreature spells from among cards you exiled that have fetch counters on them, and you may spend mana as though it were mana of any color to cast those spells. 1/4 |
| The Cave of Skulls | Plane — Earth | Each creature card in your graveyard has scavenge. The scavenge cost is equal to its mana cost. (Exile a creature card from your graveyard and pay its mana cost: Put a number of +1/+1 counters equal to that card's power on target creature. Scavenge only as a sorcery.) Whenever chaos ensues, create two 1/1 white Warrior creature tokens. | |
| Krosan Drover | 3G | Creature — Elf | Creature spells you cast with mana value 6 or greater cost {2} less to cast. 2/2 |
| Howl of the Horde | 2R | Sorcery | When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy. Raid — If you attacked this turn, when you next cast an instant or sorcery spell this turn, copy that spell an additional time. You may choose new targets for the copy. |
| Rocco, Cabaretti Caterer | XRGW | Legendary Creature — Elf Druid | When Rocco, Cabaretti Caterer enters the battlefield, if you cast it, you may search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle. 3/1 |
| Abrupt Decay | BG | Instant | This spell can't be countered. Destroy target nonland permanent with mana value 3 or less. |
| Eliminate the Competition | 4B | Sorcery | As an additional cost to cast this spell, sacrifice X creatures. Destroy X target creatures. |