Card Codex

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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
Vine Dryad 3GCreature — Dryad You may exile a green card from your hand rather than pay this spell's mana cost. Flash Forestwalk (This creature can't be blocked as long as defending player controls a Forest.) 1/3
March of Burgeoning Life XGInstant As an additional cost to cast this spell, you may exile any number of green cards from your hand. This spell costs {2} less to cast for each card exiled this way. Choose target creature with mana value less than X. Search your library for a creature card with the same name as that creature, put it onto the battlefield tapped, then shuffle.
They Went This Way 2GSorcery Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
Protocol Knight 3UCreature — Human Knight When Protocol Knight enters the battlefield, tap target creature an opponent controls. Put a stun counter on that creature if you control another Knight. (If a permanent with a stun counter would become untapped, remove one from it instead.) 3/4
Wall of Faith 3WCreature — Wall Defender (This creature can't attack.) {W}: Wall of Faith gets +0/+1 until end of turn. 0/5
Wall of Fire 1RRCreature — Wall Defender (This creature can't attack.) {R}: Wall of Fire gets +1/+0 until end of turn. 0/5
Wall of Lava 1RRCreature — Wall Defender (This creature can't attack.) {R}: Wall of Lava gets +1/+1 until end of turn. 1/3
Wall of Opposition 3RRCreature — Wall Defender (This creature can't attack.) {1}: Wall of Opposition gets +1/+0 until end of turn. 0/6
Wall of Water 1UUCreature — Wall Defender (This creature can't attack.) {U}: Wall of Water gets +1/+0 until end of turn. 0/5
Accursed Horde 3BCreature — Zombie {1}{B}: Target attacking Zombie gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it. If its toughness is 0 or less, it's still put into its owner's graveyard.) 3/3
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