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
Hum of the Radix 2GGEnchantment Each artifact spell costs {1} more to cast for each artifact its controller controls.
Goblin Dark-Dwellers 3RRCreature — Goblin Menace When Goblin Dark-Dwellers enters the battlefield, you may cast target instant or sorcery card with mana value 3 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. 4/4
Keeper of the Beasts GGCreature — Human Wizard {G}, {T}: Choose target opponent who controlled more creatures than you did as you activated this ability. Create a 2/2 green Beast creature token. 1/2
Shrine of the Forsaken Gods Land {T}: Add {C}. {T}: Add {C}{C}. Spend this mana only to cast colorless spells. Activate only if you control seven or more lands.
Forceful Cultivator 2GGCreature — Snake Shaman This spell costs {2} less to cast if there are no land cards in your hand. When Forceful Cultivator enters the battlefield, search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. 2/3
Command the Chaff 4UUInstant Look at target opponent's sideboard. You may cast a card from that sideboard without paying its mana cost. Exile Command the Chaff.
Bouncer's Beatdown 2GInstant This spell costs {2} less to cast if it targets a black permanent. Bouncer's Beatdown deals X damage to target creature or planeswalker, where X is the greatest power among creatures you control. If that creature or planeswalker would die this turn, exile it instead.
A-Lapis Orb of Dragonkind 2UArtifact {T}: Add one mana of any color. When you spend this mana to cast a Dragon creature spell, scry 2.
Invasion of Alara WUBRGBattle — Siege When Invasion of Alara enters the battlefield, exile cards from the top of your library until you exile two nonland cards with mana value 4 or less. You may cast one of those two cards without paying its mana cost. Put one of them into your hand. Then put the other cards exiled this way on the bottom of your library in a random order.
Collected Conjuring 2URSorcery Exile the top six cards of your library. You may cast up to two sorcery spells with mana value 3 or less from among them without paying their mana costs. Put the exiled cards not cast this way on the bottom of your library in a random order.
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