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
Saproling Cluster 1GEnchantment {1}, Discard a card: Create a 1/1 green Saproling creature token. Any player may activate this ability.
Captivating Cave Land — Cave {T}: Add {C}. {1}, {T}: Add one mana of any color. {4}, {T}, Sacrifice Captivating Cave: Put two +1/+1 counters on target creature. Activate only as a sorcery.
Cave of Temptation Land {T}: Add {C}. {1}, {T}: Add one mana of any color. {4}, {T}, Sacrifice Cave of Temptation: Put two +1/+1 counters on target creature. Activate only as a sorcery.
Infectious Curse Enchantment — Aura Curse Enchant player Spells you cast that target enchanted player cost {1} less to cast. At the beginning of enchanted player's upkeep, that player loses 1 life and you gain 1 life.
Strict Proctor 1WCreature — Spirit Cleric Flying Whenever a permanent entering the battlefield causes a triggered ability to trigger, counter that ability unless its controller pays {2}. 1/3
Kruphix, God of Horizons 3GULegendary Enchantment Creature — God Indestructible As long as your devotion to green and blue is less than seven, Kruphix isn't a creature. You have no maximum hand size. If you would lose unspent mana, that mana becomes colorless instead. 4/7
Aetherblade Agent 1BCreature — Human Rogue Deathtouch {4}{U/P}: Transform Aetherblade Agent. Activate only as a sorcery. ({U/P} can be paid with either {U} or 2 life.) 1/1
Annie Joins Up 1RGWLegendary Enchantment When Annie Joins Up enters the battlefield, it deals 5 damage to target creature or planeswalker an opponent controls. If a triggered ability of a legendary creature you control triggers, that ability triggers an additional time.
March of Reckless Joy XRInstant As an additional cost to cast this spell, you may exile any number of red cards from your hand. This spell costs {2} less to cast for each card exiled this way. Exile the top X cards of your library. You may play up to two of those cards until the end of your next turn.
Forced March XBBBSorcery Destroy all creatures with mana value X or less.
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