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
Ertai's Meddling XUInstant X can't be 0. Target spell's controller exiles it with X delay counters on it. At the beginning of each of that player's upkeeps, if that card is exiled, remove a delay counter from it. If the card has no delay counters on it, the player puts it onto the stack as a copy of the original spell.
Tunnel Vision 5USorcery Choose a card name. Target player reveals cards from the top of their library until a card with that name is revealed. If it is, that player puts the rest of the revealed cards into their graveyard and puts the card with the chosen name on top of their library. Otherwise, the player shuffles.
Ensnare 3UInstant You may return two Islands you control to their owner's hand rather than pay this spell's mana cost. Tap all creatures.
Crackdown Construct 4Artifact Creature — Construct Whenever you activate an ability of an artifact or creature that isn't a mana ability, Crackdown Construct gets +1/+1 until end of turn. 2/2
Davros, Dalek Creator 1UBRLegendary Artifact Creature — Alien Scientist Menace At the beginning of your end step, create a 3/3 black Dalek artifact creature token with menace if an opponent lost 3 or more life this turn. Then each opponent who lost 3 or more life this turn faces a villainous choice — You draw a card, or that player discards a card. 3/4
Subversion 3BBEnchantment At the beginning of your upkeep, each opponent loses 1 life. You gain life equal to the life lost this way.
Mark of Sakiko 1GEnchantment — Aura Enchant creature Enchanted creature has "Whenever this creature deals combat damage to a player, add that much {G}. Until end of turn, you don't lose this mana as steps and phases end."
Rage Extractor 4R/PArtifact ({R/P} can be paid with either {R} or 2 life.) Whenever you cast a spell with {P} in its mana cost, Rage Extractor deals damage equal to that spell's mana value to any target.
Time to Feed 2GSorcery Choose target creature an opponent controls. When that creature dies this turn, you gain 3 life. Target creature you control fights that creature. (Each deals damage equal to its power to the other.)
Goblin Guide RCreature — Goblin Scout Haste Whenever Goblin Guide attacks, defending player reveals the top card of their library. If it's a land card, that player puts it into their hand. 2/2
Page 313