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
Force of Virtue 2WWEnchantment If it's not your turn, you may exile a white card from your hand rather than pay this spell's mana cost. Flash Creatures you control get +1/+1.
Herald of Anafenza WCreature — Human Soldier Outlast {2}{W} ({2}{W}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.) Whenever you activate Herald of Anafenza's outlast ability, create a 1/1 white Warrior creature token. 1/2
Calamity of the Titans 4CCSorcery As an additional cost to cast this spell, reveal a colorless creature card from your hand. Exile each creature and planeswalker with mana value less than the revealed card's mana value.
Irini Sengir 2BBLegendary Creature — Vampire Dwarf Green enchantment spells and white enchantment spells cost {2} more to cast. 2/2
Grenzo, Crooked Jailer 4BRLegendary Creature — Goblin Rogue When Grenzo enters the battlefield and at the beginning of your upkeep, heist target opponent's library. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast that you don't own. 6/4
The Big Top Land {T}: Add one mana of any color that appears on your top. (A top is an outerwear garment worn on the upper body.)
Tempted by the Oriq 1UUUSorcery For each opponent, gain control of up to one target creature or planeswalker that player controls with mana value 3 or less.
Spellbane Centaur 2GCreature — Centaur Creatures you control can't be the targets of blue spells or abilities from blue sources. 3/2
Patron of the Orochi 6GGLegendary Creature — Spirit Snake offering (You may cast this card any time you could cast an instant by sacrificing a Snake and paying the difference in mana costs between this and the sacrificed Snake. Mana cost includes color.) {T}: Untap all Forests and all green creatures. Activate only once each turn. 7/7
Elesh Norn, Mother of Machines 4WLegendary Creature — Phyrexian Praetor Vigilance If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. Permanents entering the battlefield don't cause abilities of permanents your opponents control to trigger. 4/7
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