M:tG card similarity search
U · Instant
Add or subtract 1 or one from a number or number word on target spell or permanent until end of turn.
| Name | Mana | Type | Text |
|---|---|---|---|
| Boros Keyrune | 3 | Artifact | {T}: Add {R} or {W}. {R}{W}: Boros Keyrune becomes a 1/1 red and white Soldier artifact creature with double strike until end of turn. (It deals both first-strike and regular combat damage.) |
| Undermine | UUB | Instant | Counter target spell. Its controller loses 3 life. |
| Nullify | UU | Instant | Counter target creature or Aura spell. |
| Detritivore | 2RR | Creature — Lhurgoyf | Detritivore's power and toughness are each equal to the number of nonbasic land cards in your opponents' graveyards. Suspend X—{X}{3}{R}. X can't be 0. (Rather than cast this card from your hand, you may pay {X}{3}{R} and exile it with X 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. It has haste.) Whenever a time counter is removed from Detritivore while it's exiled, destroy target nonbasic land. */* |
| Scepter of Dominance | 1WW | Artifact | {W}, {T}: Tap target permanent. |
| Deathgrip | BB | Enchantment | {B}{B}: Counter target green spell. |
| Dimir Keyrune | 3 | Artifact | {T}: Add {U} or {B}. {U}{B}: Dimir Keyrune becomes a 2/2 blue and black Horror artifact creature until end of turn and can't be blocked this turn. |
| Blightsoil Druid | 1B | Creature — Elf Druid | {T}, Pay 1 life: Add {G}. 1/2 |
| 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. |
| Grappling Sundew | 1G | Creature — Plant | Defender, reach {4}{G}: Grappling Sundew gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy this creature.) 0/4 |