Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Horizon Stone

5 · Artifact

If you would lose unspent mana, that mana becomes colorless instead.

Similar cards

Color identity:
NameManaTypeText
Poison-Tip Archer 2BGCreature — Elf Archer Reach (This creature can block creatures with flying.) Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Whenever another creature dies, each opponent loses 1 life. 2/3
Hedron Blade 1Artifact — Equipment Equipped creature gets +1/+1. Whenever equipped creature becomes blocked by one or more colorless creatures, it gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)
Careful Consideration 2UUInstant Target player draws four cards, then discards three cards. If you cast this spell during your main phase, instead that player draws four cards, then discards two cards.
Tomorrow, Azami's Familiar 5ULegendary Creature — Spirit If you would draw a card, look at the top three cards of your library instead. Put one of those cards into your hand and the rest on the bottom of your library in any order. 1/5
Thornbow Archer BCreature — Elf Archer Whenever Thornbow Archer attacks, each opponent who doesn't control an Elf loses 1 life. 1/2
Sally Sparrow 2WULegendary Creature — Human Detective You may cast creature spells as though they had flash. Whenever one or more other creatures you control leave the battlefield, investigate. This ability triggers only once each turn. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") 2/3
Gideon, Champion of Justice 2WWLegendary Planeswalker — Gideon [+1]: Put a loyalty counter on Gideon, Champion of Justice for each creature target opponent controls. [0]: Until end of turn, Gideon, Champion of Justice becomes a Human Soldier creature with power and toughness each equal to the number of loyalty counters on him and gains indestructible. He's still a planeswalker. Prevent all damage that would be dealt to him this turn. [−15]: Exile all other permanents. Loyalty 4
Unstable Shapeshifter 3UCreature — Shapeshifter Whenever another creature enters the battlefield, Unstable Shapeshifter becomes a copy of that creature, except it has this ability. 0/1
Vraska, Golgari Queen 2BGLegendary Planeswalker — Vraska [+2]: You may sacrifice another permanent. If you do, you gain 1 life and draw a card. [−3]: Destroy target nonland permanent with mana value 3 or less. [−9]: You get an emblem with "Whenever a creature you control deals combat damage to a player, that player loses the game." Loyalty 4
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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