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
Induce Despair 2BInstant As an additional cost to cast this spell, reveal a creature card from your hand. Target creature gets -X/-X until end of turn, where X is the revealed card's mana value.
Vertigo RInstant Vertigo deals 2 damage to target creature with flying. That creature loses flying until end of turn.
Slinking Giant 2RRCreature — Giant Rogue Wither (This deals damage to creatures in the form of -1/-1 counters.) Whenever Slinking Giant blocks or becomes blocked, it gets -3/-0 until end of turn. 4/4
Time Vault 2Artifact Time Vault enters the battlefield tapped. Time Vault doesn't untap during your untap step. If you would begin your turn while Time Vault is tapped, you may skip that turn instead. If you do, untap Time Vault. {T}: Take an extra turn after this one.
Campaign of Vengeance 3WBEnchantment Whenever a creature you control attacks, defending player loses 1 life and you gain 1 life.
Close Quarters 2RREnchantment Whenever a creature you control becomes blocked, Close Quarters deals 1 damage to any target.
Parapet 1WEnchantment You may cast Parapet as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step. Creatures you control get +0/+1.
Illicit Auction 3RRSorcery Each player may bid life for control of target creature. You start the bidding with a bid of 0. In turn order, each player may top the high bid. The bidding ends if the high bid stands. The high bidder loses life equal to the high bid and gains control of the creature. (This effect lasts indefinitely.)
Quick Sliver 1GCreature — Sliver Flash Any player may cast Sliver spells as though they had flash. 1/1
Ugin's Conjurant XCreature — Spirit Monk Ugin's Conjurant enters the battlefield with X +1/+1 counters on it. If damage would be dealt to Ugin's Conjurant while it has a +1/+1 counter on it, prevent that damage and remove that many +1/+1 counters from Ugin's Conjurant. 0/0
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