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
Scalding Viper 1RCreature — Elemental Snake Whenever an opponent casts a spell with mana value 3 or less, Scalding Viper deals 1 damage to that player. 2/1
Glimmervoid Land At the beginning of the end step, if you control no artifacts, sacrifice Glimmervoid. {T}: Add one mana of any color.
The Eleventh Doctor 1WULegendary Creature — Time Lord Doctor I. AM. TALKING! — Whenever The Eleventh Doctor deals combat damage to a player, you may exile a card from your hand with a number of time counters on it equal to its mana value. If it doesn't have suspend, it gains suspend. {2}: Target creature with power 3 or less can't be blocked this turn. 3/2
Teferi, Master of Time 2UULegendary Planeswalker — Teferi You may activate loyalty abilities of Teferi, Master of Time on any player's turn any time you could cast an instant. [+1]: Draw a card, then discard a card. [−3]: Target creature you don't control phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.) [−10]: Take two extra turns after this one. Loyalty 3
Draconic Disciple 1RGCreature — Human Shaman {T}: Add one mana of any color. {7}, {T}, Sacrifice Draconic Disciple: Create a 5/5 red Dragon creature token with flying. 2/2
Academy Loremaster UUCreature — Human Wizard At the beginning of each player's draw step, that player may draw an additional card. If they do, spells they cast this turn cost {2} more to cast. 2/3
Mystic Monstrosity Artifact Creature — Construct Lands you control have "{T}: Add one mana of any color." 5/6
Mavinda, Students' Advocate 2WLegendary Creature — Bird Advisor Flying {0}: You may cast target instant or sorcery card from your graveyard this turn. If that spell doesn't target a creature you control, it costs {8} more to cast this way. If that spell would be put into your graveyard, exile it instead. Activate only once each turn. (You still pay the spell's costs. Timing rules for the spell still apply.) 2/3
Elite Arcanist 3UCreature — Human Wizard When Elite Arcanist enters the battlefield, you may exile an instant card from your hand. {X}, {T}: Copy the exiled card. You may cast the copy without paying its mana cost. X is the mana value of the exiled card. 1/1
Black Sun's Twilight XBInstant Up to one target creature gets -X/-X until end of turn. If X is 5 or more, return a creature card with mana value X or less from your graveyard to the battlefield tapped.
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