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
Hedge Whisperer GCreature — Elf Druid Detective You may choose not to untap Hedge Whisperer during your untap step. {3}{G}, {T}, Collect evidence 4: Target land you control becomes a 5/5 green Plant Boar creature with haste for as long as Hedge Whisperer remains tapped. It's still a land. Activate only as a sorcery. (To collect evidence 4, exile cards with total mana value 4 or greater from your graveyard.) 0/3
Nightshade Harvester 3BCreature — Elf Shaman Whenever a land enters the battlefield under an opponent's control, that player loses 1 life. Put a +1/+1 counter on Nightshade Harvester. 2/2
Reincarnation 1GGInstant Choose target creature. When that creature dies this turn, return a creature card from its owner's graveyard to the battlefield under the control of that creature's owner.
Towering Gibbon 3GCreature — Ape Reach Towering Gibbon's power is equal to the greatest mana value among creatures you control. */4
Regent's Authority WInstant Target creature gets +2/+2 until end of turn. If it's an enchantment creature or legendary creature, instead put a +1/+1 counter on it and it gets +1/+1 until end of turn.
Astral Steel 2WInstant Target creature gets +1/+2 until end of turn. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)
Sarevok, Deadly Usurper 3BBLegendary Creature — Human Knight When this creature specializes, seek a creature card and put it into your graveyard, then conjure two duplicates of it into your graveyard. At the beginning of combat on your turn, target creature you control gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard. 4/4
Two-Headed Giant 2RRCreature — Giant Warrior Whenever Two-Headed Giant attacks, flip two coins. If both coins come up heads, Two-Headed Giant gains double strike until end of turn. If both coins come up tails, Two-Headed Giant gains menace until end of turn. 4/4
Fearless Fledgling 1WCreature — Griffin Landfall — Whenever a land enters the battlefield under your control, put a +1/+1 counter on Fearless Fledgling. It gains flying until end of turn. 1/1
Rimefur Reindeer 3WCreature — Elk Whenever an enchantment enters the battlefield under your control, tap target creature an opponent controls. 3/4
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