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
Regal Sliver 3WCreature — Sliver Sliver creatures you control have "When this creature enters the battlefield, Slivers you control get +1/+1 until end of turn if you're the monarch. Otherwise, you become the monarch." 3/3
Moment's Peace 1GInstant Prevent all combat damage that would be dealt this turn. Flashback {2}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Forge Armor 4RInstant As an additional cost to cast this spell, sacrifice an artifact. Put X +1/+1 counters on target creature, where X is the sacrificed artifact's mana value.
Slickshot Lockpicker 2UCreature — Human Rogue When Slickshot Lockpicker enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.) Plot {2}{U} (You may pay {2}{U} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.) 2/3
Glint Raker 3UCreature — Drake Flying Glint Raker gets +X/+0, where X is the highest mana value among artifacts you control. Whenever Glint Raker deals combat damage to a player, you may reveal that many cards from the top of your library. Put an artifact card revealed this way into your hand and the rest into your graveyard. 1/3
Funeral Rites 2BSorcery You draw two cards, lose 2 life, then mill two cards.
Alms of the Vein 2BSorcery Target opponent loses 3 life and you gain 3 life. Madness {B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
Morsel Theft 2BBTribal Sorcery — Rogue Prowl {1}{B} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.) Target player loses 3 life and you gain 3 life. If this spell's prowl cost was paid, draw a card.
Kasmina's Transmutation 1UEnchantment — Aura Enchant creature Enchanted creature loses all abilities and has base power and toughness 1/1.
Invasion of Azgol BRBattle — Siege (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Azgol enters the battlefield, target player sacrifices a creature or planeswalker and loses 1 life.
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