M:tG card similarity search
4BB · Sorcery
All creatures get -X/-X until end of turn, where X is the greatest mana value of a commander you own on the battlefield or in the command zone.
| Name | Mana | Type | Text |
|---|---|---|---|
| Festering March | 3BB | Sorcery | Creatures your opponents control get -1/-1 until end of turn. Exile Festering March with three time counters on it. Suspend 3—{2}{B} (Rather than cast this card from your hand, you may pay {2}{B} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) |
| Genestealer Locus | 3U | Creature — Tyranid Human | Neurotraumal Rod — Whenever a creature attacks you, it gets -1/-0 until end of turn. Whenever a creature attacks one of your opponents, it gets +0/+1 until end of turn. 3/3 |
| Silvergill Douser | 1U | Creature — Merfolk Wizard | {T}: Target creature gets -X/-0 until end of turn, where X is the number of Merfolk and/or Faeries you control. 1/1 |
| Clutch of Undeath | 3BB | Enchantment — Aura | Enchant creature Enchanted creature gets +3/+3 as long as it's a Zombie. Otherwise, it gets -3/-3. |
| Weigh Down | B | Sorcery | As an additional cost to cast this spell, exile a creature card from your graveyard. Target creature gets -3/-3 until end of turn. |
| Vectis Agents | 3UB | Artifact Creature — Human Rogue | {U}{B}: Vectis Agents gets -2/-0 until end of turn and can't be blocked this turn. 4/3 |
| Plaguebearer | 1B | Creature — Zombie | {X}{X}{B}: Destroy target nonblack creature with mana value X. 1/1 |
| Serra's Boon | 2W | Enchantment — Aura | Enchant creature Enchanted creature gets +1/+2 as long as it's white. Otherwise, it gets -2/-1. |
| Accessories to Murder | Artifact — Contraption | Whenever you crank Accessories to Murder, target creature gets +X/+0 until end of turn, where X is the number of creatures you control. | |
| Abaddon the Despoiler | 2UBR | Legendary Creature — Astartes Warrior | Trample Mark of Chaos Ascendant — During your turn, spells you cast from your hand with mana value X or less have cascade, where X is the total amount of life your opponents have lost this turn. 5/5 |