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
Windbrisk Heights Land Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) Windbrisk Heights enters the battlefield tapped. {T}: Add {W}. {W}, {T}: You may play the exiled card without paying its mana cost if you attacked with three or more creatures this turn.
Karona's Zealot 4WCreature — Human Cleric Morph {3}{W}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Karona's Zealot is turned face up, all damage that would be dealt to it this turn is dealt to target creature instead. 2/5
Inquisitor's Snare 1WInstant Prevent all damage target attacking or blocking creature would deal this turn. If that creature is black or red, destroy it.
Richard Garfield, Ph.D. 3UULegendary Creature — Human Designer You may play cards as though they were other cards of your choice with the same mana cost. You can't choose the same card twice. (Mana cost includes color.) 2/2
Orcish Captain RCreature — Orc Warrior {1}: Flip a coin. If you win the flip, target Orc creature gets +2/+0 until end of turn. If you lose the flip, it gets -0/-2 until end of turn. 1/1
Mishra's Foundry Land {T}: Add {C}. {2}: Mishra's Foundry becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land. {1}, {T}: Target attacking Assembly-Worker gets +2/+2 until end of turn.
Resistance Fighter WCreature — Human Soldier Sacrifice Resistance Fighter: Prevent all combat damage target creature would deal this turn. 1/1
Zirda, the Dawnwaker 1R/WR/WLegendary Creature — Elemental Fox Companion — Each permanent card in your starting deck has an activated ability. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) Abilities you activate that aren't mana abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana. {1}, {T}: Target creature can't block this turn. 3/3
Thespian's Stage Land {T}: Add {C}. {2}, {T}: Thespian's Stage becomes a copy of target land, except it has this ability.
Teshar, Ancestor's Apostle 3WLegendary Creature — Bird Cleric Flying Whenever you cast a historic spell, return target creature card with mana value 3 or less from your graveyard to the battlefield. (Artifacts, legendaries, and Sagas are historic.) 2/2
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