M:tG card similarity search
2BB · Instant — Arcane
All creatures get -2/-2 until end of turn. Splice onto Arcane {3}{B}{B} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Chaos Moon | 3R | Enchantment | At the beginning of each upkeep, count the number of permanents. If the number is odd, until end of turn, red creatures get +1/+1 and whenever a player taps a Mountain for mana, that player adds an additional {R}. If the number is even, until end of turn, red creatures get -1/-1 and if a player taps a Mountain for mana, that Mountain produces colorless mana instead of any other type. |
| Erebos's Intervention | XB | Instant | Choose one — • Target creature gets -X/-X until end of turn. You gain X life. • Exile up to twice X target cards from graveyards. |
| Cackling Witch | 1B | Creature — Human Spellshaper | {X}{B}, {T}, Discard a card: Target creature gets +X/+0 until end of turn. 1/1 |
| Six-Sided Die | 2B | Instant | Choose target creature. Roll a six-sided die. 1 — It has base toughness 1 until end of turn. 2 — Put two -1/-1 counters on it. 3 — Six-Sided Die deals 3 damage to it and you gain 3 life. 4 — It gets -4/-4 until end of turn. 5 — Destroy it. 6 — Exile it. |
| Matopi Golem | 5 | Artifact Creature — Golem | {1}: Regenerate Matopi Golem. When it regenerates this way, put a -1/-1 counter on it. 3/3 |
| Goham Djinn | 5B | Creature — Djinn | {1}{B}: Regenerate Goham Djinn. Goham Djinn gets -2/-2 as long as black is the most common color among all permanents or is tied for most common. 5/5 |
| Grixis Charm | UBR | Instant | Choose one — • Return target permanent to its owner's hand. • Target creature gets -4/-4 until end of turn. • Creatures you control get +2/+0 until end of turn. |
| Yahenni's Expertise | 2BB | Sorcery | All creatures get -3/-3 until end of turn. You may cast a spell with mana value 3 or less from your hand without paying its mana cost. |
| Carnifex Demon | 4BB | Creature — Phyrexian Demon | Flying Carnifex Demon enters the battlefield with two -1/-1 counters on it. {B}, Remove a -1/-1 counter from Carnifex Demon: Put a -1/-1 counter on each other creature. 6/6 |
| Nameless Inversion | 1B | Tribal Instant — Shapeshifter | Changeling (This card is every creature type.) Target creature gets +3/-3 and loses all creature types until end of turn. |