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
Diabolical Salvation 2RRRRInstant Split second Create four 4/4 red Devil creature tokens with haste and "When this creature dies, create a colorless Treasure artifact token with '{T}, Sacrifice this artifact: Add one mana of any color.'" Sacrifice the Devil tokens at the beginning of the next end step.
Wall of Shadows 1BBCreature — Wall Defender (This creature can't attack.) Prevent all damage that would be dealt to Wall of Shadows by creatures it's blocking. Wall of Shadows can't be the target of spells that can target only Walls or of abilities that can target only Walls. 0/1
Word of Blasting 1RInstant Destroy target Wall. It can't be regenerated. Word of Blasting deals damage equal to that Wall's mana value to the Wall's controller.
Tideshaper Mystic UCreature — Merfolk Wizard {T}: Target land becomes the basic land type of your choice until end of turn. Activate only during your turn. 1/1
Jadzi, Oracle of Arcavios 6UULegendary Creature — Human Wizard Discard a card: Return Jadzi, Oracle of Arcavios to its owner's hand. Magecraft — Whenever you cast or copy an instant or sorcery spell, reveal the top card of your library. If it's a nonland card, you may cast it by paying {1} rather than paying its mana cost. If it's a land card, put it onto the battlefield. 5/5
Hedron Matrix 4Artifact — Equipment Equipped creature gets +X/+X, where X is its mana value. Equip {4}
Heirloom Mirror 1BArtifact {1}, {T}, Pay 1 life, Discard a card: Draw a card, mill a card, then put a ritual counter on Heirloom Mirror. Then if it has three or more ritual counters on it, remove them and transform it. Activate only as a sorcery.
Valkmira, Protector's Shield 3WLegendary Artifact If a source an opponent controls would deal damage to you or a permanent you control, prevent 1 of that damage. Whenever you or another permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}.
Ghastly Demise BInstant Destroy target nonblack creature if its toughness is less than or equal to the number of cards in your graveyard.
Master of Dark Rites BCreature — Vampire Cleric {T}, Sacrifice another creature: Add {B}{B}{B}. Spend this mana only to cast Vampire, Cleric, and/or Demon spells. 1/1
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