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
Azure Fleet Admiral 3UCreature — Human Pirate When Azure Fleet Admiral enters the battlefield, you become the monarch. Azure Fleet Admiral can't be blocked by creatures the monarch controls. 3/3
Izzet Keyrune 3Artifact {T}: Add {U} or {R}. {U}{R}: Until end of turn, Izzet Keyrune becomes a 2/1 blue and red Elemental artifact creature. Whenever Izzet Keyrune deals combat damage to a player, you may draw a card. If you do, discard a card.
Mindblade Render 1BCreature — Azra Warrior Whenever your opponents are dealt combat damage, if any of that damage was dealt by a Warrior, you draw a card and you lose 1 life. 1/3
Truga Jungle Plane — Ergamon All lands have "{T}: Add one mana of any color." Whenever chaos ensues, reveal the top three cards of your library. Put all land cards revealed this way into your hand and the rest on the bottom of your library in any order.
Shipbreaker Kraken 4UUCreature — Kraken {6}{U}{U}: Monstrosity 4. (If this creature isn't monstrous, put four +1/+1 counters on it and it becomes monstrous.) When Shipbreaker Kraken becomes monstrous, tap up to four target creatures. Those creatures don't untap during their controllers' untap steps for as long as you control Shipbreaker Kraken. 6/6
Phage the Untouchable 3BBBBLegendary Creature — Avatar Minion When Phage the Untouchable enters the battlefield, if you didn't cast it from your hand, you lose the game. Whenever Phage deals combat damage to a creature, destroy that creature. It can't be regenerated. Whenever Phage deals combat damage to a player, that player loses the game. 4/4
Nadier's Nightblade 2BCreature — Elf Warrior Whenever a token you control leaves the battlefield, each opponent loses 1 life and you gain 1 life. 1/3
Siege Rhino 1WBGCreature — Rhino Trample When Siege Rhino enters the battlefield, each opponent loses 3 life and you gain 3 life. 4/5
Ojutai's Command 2WUInstant Choose two — • Return target creature card with mana value 2 or less from your graveyard to the battlefield. • You gain 4 life. • Counter target creature spell. • Draw a card.
Largepox BBBBSorcery Each player discards a card, then loses 1 life, then sacrifices an artifact, a creature, an enchantment, a land, a planeswalker, and a tribal permanent, then exiles a card from their graveyard, then puts the top card of their library into their graveyard, then removes a counter from a permanent they control, then gets a poison counter.
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