Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Heartstone

3 · Artifact

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Similar cards

Color identity:
NameManaTypeText
Volrath's Curse 1UEnchantment — Aura Enchant creature Enchanted creature can't attack or block, and its activated abilities can't be activated. That creature's controller may sacrifice a permanent for that player to ignore this effect until end of turn. {1}{U}: Return Volrath's Curse to its owner's hand.
Edifice of Authority 3Artifact {1}, {T}: Target creature can't attack this turn. Put a brick counter on Edifice of Authority. {1}, {T}: Until your next turn, target creature can't attack or block and its activated abilities can't be activated. Activate only if there are three or more brick counters on Edifice of Authority.
Gnoll Hunting Party 5RCreature — Gnoll This spell costs {1} less to cast for each creature you attacked with this turn. Double team As long as it's your turn, Gnoll Hunting Party has first strike. 4/4
Deny the Witch 1WUBInstant Counter target spell, activated ability, or triggered ability. Its controller loses life equal to the number of creatures you control.
Sailmonger 3UCreature — Human Monger {2}: Target creature gains flying until end of turn. Any player may activate this ability. 3/3
Sister of Silence 4UCreature — Human Knight Flash Psychic Abomination — When Sister of Silence enters the battlefield, counter target instant spell, sorcery spell, activated ability, or triggered ability. 3/3
Well of Knowledge 3Artifact {2}: Draw a card. Any player may activate this ability but only during their draw step.
Mairsil, the Pretender 1UBRLegendary Creature — Human Wizard When Mairsil, the Pretender enters the battlefield, you may exile an artifact or creature card from your hand or graveyard and put a cage counter on it. Mairsil, the Pretender has all activated abilities of all cards you own in exile with cage counters on them. You may activate each of those abilities only once each turn. 4/4
Conspiracy Unraveler 5UUCreature — Sphinx Detective Flying You may collect evidence 10 rather than pay the mana cost for spells that you cast. (To collect evidence 10, exile cards with total mana value 10 or greater from your graveyard.) 6/6
Knockout Blow 2WInstant This spell costs {2} less to cast if it targets a red creature. Knockout Blow deals 4 damage to target attacking or blocking creature and you gain 2 life.
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