Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Hall of Gemstone

1GG · World Enchantment

At the beginning of each player's upkeep, that player chooses a color. Until end of turn, lands tapped for mana produce mana of the chosen color instead of any other color.

Similar cards

Color identity:
NameManaTypeText
Flaying Tendrils 1BBSorcery Devoid (This card has no color.) All creatures get -2/-2 until end of turn. If a creature would die this turn, exile it instead.
Mirror-Sigil Sergeant 5WCreature — Rhino Soldier Trample At the beginning of your upkeep, if you control a blue permanent, you may create a token that's a copy of Mirror-Sigil Sergeant. 4/4
Biting Tether 4UEnchantment — Aura Enchant creature You control enchanted creature. At the beginning of your upkeep, put a -1/-1 counter on enchanted creature.
Vebulid BCreature — Phyrexian Horror Vebulid enters the battlefield with a +1/+1 counter on it. At the beginning of your upkeep, you may put a +1/+1 counter on Vebulid. When Vebulid attacks or blocks, destroy it at end of combat. 0/0
Arbiter of Knollridge 6WCreature — Giant Wizard Vigilance When Arbiter of Knollridge enters the battlefield, each player's life total becomes the highest life total among all players. 5/5
Thermokarst 1GGSorcery Destroy target land. If that land was a snow land, you gain 1 life.
Greymond, Avacyn's Stalwart 2WWLegendary Creature — Human Soldier As Greymond, Avacyn's Stalwart enters the battlefield, choose two abilities from among first strike, vigilance, and lifelink. Humans you control have each of the chosen abilities. As long as you control four or more Humans, Humans you control get +2/+2. 3/4
Strength of Solidarity GSorcery Choose target creature you control. Put a +1/+1 counter on it for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)
Dominating Vampire 1RRCreature — Vampire When Dominating Vampire enters the battlefield, gain control of target creature with mana value less than or equal to the number of Vampires you control until end of turn. Untap that creature. It gains haste until end of turn. 3/3
Tawnos Endures WInstant Exile target creature. It gains "At the beginning of your upkeep, if this card is exiled, it perpetually gets +1/+1, then you may put it onto the battlefield."
Page 353