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
Return to the Ranks XWWSorcery Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Return X target creature cards with mana value 2 or less from your graveyard to the battlefield.
Jetfire, Ingenious Scientist 4ULegendary Artifact Creature — Robot More Than Meets the Eye {3}{U} (You may cast this card converted for {3}{U}.) Flying Remove one or more +1/+1 counters from among artifacts you control: Target player adds that much {C}. This mana can't be spent to cast nonartifact spells. Convert Jetfire. 3/4
Tazri, Stalwart Survivor 2WLegendary Creature — Human Warrior Each creature you control has "{T}: Add one mana of any of this creature's colors. Spend this mana only to activate an ability of a creature. Activate only if this creature has another activated ability." {W}{U}{B}{R}{G}, {T}: Mill five cards. Put all creature cards with activated abilities that aren't mana abilities from among the milled cards into your hand. 3/3
Fragmentize WSorcery Destroy target artifact or enchantment with mana value 4 or less.
Natural State GInstant Destroy target artifact or enchantment with mana value 3 or less.
Dumb Ass 2RCreature — Donkey Barbarian At the beginning of your upkeep, flip a coin. If you lose the flip, target opponent chooses whether Dumb Ass attacks this turn. 3.5/2
Lake of the Dead Land If Lake of the Dead would enter the battlefield, sacrifice a Swamp instead. If you do, put Lake of the Dead onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add {B}. {T}, Sacrifice a Swamp: Add {B}{B}{B}{B}.
Burden of Greed 3BInstant Target player loses 1 life for each tapped artifact they control.
Inquisitor Captain 3WCreature — Human Cleric Vigilance When Inquisitor Captain enters the battlefield, if you cast it and there are twenty or more creature cards with mana value 3 or less among cards in your graveyard, hand, and library, seek two creature cards with mana value 3 or less. Put one of them onto the battlefield and shuffle the other into your library. 3/3
Reverberation 2UUInstant All damage that would be dealt this turn by target sorcery spell is dealt to that spell's controller instead.
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