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
Archmage's Charm UUUInstant Choose one — • Counter target spell. • Target player draws two cards. • Gain control of target nonland permanent with mana value 1 or less.
Hollowsage 3BCreature — Merfolk Wizard Whenever Hollowsage becomes untapped, you may have target player discard a card. 2/2
Odious Witch Creature — Human Warlock Whenever Odious Witch attacks, defending player loses 1 life and you gain 1 life. 3/3
War Room Land {T}: Add {C}. {3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.
Gríma Wormtongue 2BLegendary Creature — Human Advisor Your opponents can't gain life. {T}, Sacrifice another creature: Target player loses 1 life. If the sacrificed creature was legendary, amass Orcs 2. 1/4
Hauken's Insight Legendary Enchantment At the beginning of your upkeep, exile the top card of your library face down. You may look at that card for as long as it remains exiled. Once during each of your turns, you may play a land or cast a spell from among the cards exiled with this permanent without paying its mana cost.
Corpse Knight WBCreature — Zombie Knight Whenever another creature enters the battlefield under your control, each opponent loses 1 life. 2/2
New Horizons 2GEnchantment — Aura Enchant land When New Horizons enters the battlefield, put a +1/+1 counter on target creature you control. Enchanted land has "{T}: Add two mana of any one color."
Vrock 3BBCreature — Bird Demon Flying Toxic Spores — At the beginning of your end step, if a permanent you controlled left the battlefield this turn, each opponent loses 3 life. 3/3
Reaper of Sheoldred 4BCreature — Phyrexian Horror Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Whenever a source deals damage to Reaper of Sheoldred, that source's controller gets a poison counter. 2/5
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