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
Braids, Arisen Nightmare 1BBLegendary Creature — Nightmare At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card. 3/3
Phantom Nomad 1WCreature — Spirit Nomad Phantom Nomad enters the battlefield with two +1/+1 counters on it. If damage would be dealt to Phantom Nomad, prevent that damage. Remove a +1/+1 counter from Phantom Nomad. 0/0
Aleatory 1RInstant Cast this spell only during combat after blockers are declared. Flip a coin. If you win the flip, target creature gets +1/+1 until end of turn. Draw a card at the beginning of the next turn's upkeep.
Kalastria Healer 1BCreature — Vampire Cleric Ally Rally — Whenever Kalastria Healer or another Ally enters the battlefield under your control, each opponent loses 1 life and you gain 1 life. 1/2
True Polymorph 4UUInstant Target artifact or creature becomes a copy of another target artifact or creature.
Berserk Murlodont 4GCreature — Beast Whenever a Beast becomes blocked, it gets +1/+1 until end of turn for each creature blocking it. 3/3
Necroplasm 1BBCreature — Ooze At the beginning of your upkeep, put a +1/+1 counter on Necroplasm. At the beginning of your end step, destroy each creature with mana value equal to the number of +1/+1 counters on Necroplasm. Dredge 2 (If you would draw a card, you may mill two cards instead. If you do, return this card from your graveyard to your hand.) 1/1
Cormela, Glamour Thief 1UBRLegendary Creature — Vampire Rogue Haste {1}, {T}: Add {U}{B}{R}. Spend this mana only to cast instant and/or sorcery spells. When Cormela, Glamour Thief dies, return up to one target instant or sorcery card from your graveyard to your hand. 2/4
Emrakul, the Aeons Torn 15Legendary Creature — Eldrazi This spell can't be countered. When you cast this spell, take an extra turn after this one. Flying, protection from spells that are one or more colors, annihilator 6 When Emrakul, the Aeons Torn is put into a graveyard from anywhere, its owner shuffles their graveyard into their library. 15/15
Clay Golem 4Artifact Creature — Golem {6}, Roll a d8: Monstrosity X, where X is the result. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) Berserk — When Clay Golem becomes monstrous, destroy target permanent. 4/4
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