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
Helionaut 2WCreature — Human Soldier Flying {1}, {T}: Add one mana of any color. 1/2
Shining Shoal XWWInstant — Arcane You may exile a white card with mana value X from your hand rather than pay this spell's mana cost. The next X damage that a source of your choice would deal to you and/or creatures you control this turn is dealt to any target instead.
Fatal Push BInstant Destroy target creature if it has mana value 2 or less. Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent you controlled left the battlefield this turn.
Tidal Bore 1UInstant You may return an Island you control to its owner's hand rather than pay this spell's mana cost. You may tap or untap target creature.
Ajani's Presence WInstant Strive — This spell costs {2}{W} more to cast for each target beyond the first. Any number of target creatures each get +1/+1 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)
Dragon-Kami's Egg Enchantment Creature — Egg Whenever Dragon-Kami's Egg or a Dragon you control dies, you may cast a creature spell from among cards you own in exile with hatching counters on them without paying its mana cost. 0/1
The Moment 2Legendary Artifact At the beginning of your upkeep, put a time counter on The Moment. {2}, {T}: Untap target creature you control. It phases out until The Moment leaves the battlefield. {3}, {T}: Destroy each nonland permanent with mana value less than or equal to the number of time counters on The Moment. Then sacrifice The Moment. Activate only as a sorcery.
Rod of Absorption 2UArtifact Whenever a player casts an instant or sorcery spell, exile it instead of putting it into a graveyard as it resolves. {X}, {T}, Sacrifice Rod of Absorption: You may cast any number of spells from among cards exiled with Rod of Absorption with total mana value X or less without paying their mana costs.
Mine Collapse 3RInstant If it's your turn, you may sacrifice a Mountain rather than pay this spell's mana cost. Mine Collapse deals 5 damage to target creature or planeswalker.
Steady Tortoise 4GCreature — Turtle Ward {2} Whenever you attack, Steady Tortoise perpetually gets +1/+1. This ability also triggers if Steady Tortoise is in exile. 3/3
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