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
Carpet of Flowers GEnchantment At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls.
Dungeon Delver 1ULegendary Enchantment — Background Commander creatures you own have "Room abilities of dungeons you own trigger an additional time."
Forsworn Paladin BCreature — Human Knight Menace {1}{B}, {T}, Pay 1 life: Create a Treasure token. {2}{B}: Target creature gets +2/+0 until end of turn. If mana from a Treasure was spent to activate this ability, that creature also gains deathtouch until end of turn. 1/1
Nourishing Shoal XGGInstant — Arcane You may exile a green card with mana value X from your hand rather than pay this spell's mana cost. You gain X life.
Virtue of Knowledge 4UEnchantment If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
Gravestone Strider 2Artifact Creature — Golem {1}: Add one mana of any color. Activate only once each turn. {2}, Exile Gravestone Strider from your graveyard: Exile target card from a graveyard. 1/3
Ancient Ziggurat Land {T}: Add one mana of any color. Spend this mana only to cast a creature spell.
Embodiment of Agonies 1BBCreature — Demon Flying, deathtouch Embodiment of Agonies enters the battlefield with a +1/+1 counter on it for each different mana cost among nonland cards in your graveyard. (For example, {2}{B} and {1}{B}{B} are different mana costs.) 0/0
Deflecting Swat 2RInstant If you control a commander, you may cast this spell without paying its mana cost. You may choose new targets for target spell or ability.
Quarum Trench Gnomes 3RCreature — Gnome {T}: If target Plains is tapped for mana, it produces colorless mana instead of white mana. (This effect lasts indefinitely.) 1/1
Page 86