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
Rafter Demon 2BRCreature — Demon Spectacle {3}{B}{R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) When Rafter Demon enters the battlefield, if its spectacle cost was paid, each opponent discards a card. 4/2
Martyrdom 1WWInstant Until end of turn, target creature you control gains "{0}: The next 1 damage that would be dealt to target creature, planeswalker, or player this turn is dealt to this creature instead." Only you may activate this ability.
Spawnsire of Ulamog 10Creature — Eldrazi Annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent.) {4}: Create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add {C}." {20}: Cast any number of Eldrazi spells from among cards you own outside the game without paying their mana costs. 7/11
Sunbird's Invocation 5REnchantment Whenever you cast a spell from your hand, reveal the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value X or less from among cards revealed this way without paying its mana cost. Put the rest on the bottom of your library in a random order.
Vampire Bats BCreature — Bat Flying (This creature can't be blocked except by creatures with flying or reach.) {B}: Vampire Bats gets +1/+0 until end of turn. Activate no more than twice each turn. 0/1
Alaborn Veteran 2WCreature — Human Knight {T}: Target creature gets +2/+2 until end of turn. Activate only during your turn, before attackers are declared. 2/2
Myrel, Shield of Argive 3WLegendary Creature — Human Soldier During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments. Whenever Myrel, Shield of Argive attacks, create X 1/1 colorless Soldier artifact creature tokens, where X is the number of Soldiers you control. 3/4
Silent-Blade Oni 3UUBBCreature — Demon Ninja Ninjutsu {4}{U}{B} ({4}{U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Silent-Blade Oni deals combat damage to a player, look at that player's hand. You may cast a spell from among those cards without paying its mana cost. 6/5
Magus of the Library GGCreature — Human Wizard {T}: Add {C}. {T}: Draw a card. Activate only if you have exactly seven cards in hand. 1/1
Giltgrove Stalker 1GCreature — Merfolk Warrior Giltgrove Stalker can't be blocked by creatures with power 2 or less. 2/1
Page 193