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
Face to Face 1RSorcery You and target opponent play a best two-out-of-three Rock, Paper, Scissors match. If you win, Face to Face deals 5 damage to that player.
Sharae of Numbing Depths 2WULegendary Creature — Merfolk Wizard When Sharae of Numbing Depths enters the battlefield, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Whenever you tap one or more untapped creatures your opponents control, draw a card. This ability triggers only once each turn. 2/3
Grappling Sundew 1GCreature — Plant Defender, reach {4}{G}: Grappling Sundew gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy this creature.) 0/4
Gideon, Martial Paragon 4WLegendary Planeswalker — Gideon [+2]: Untap all creatures you control. Those creatures get +1/+1 until end of turn. [0]: Until end of turn, Gideon, Martial Paragon becomes a 5/5 Human Soldier creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to him this turn. [−10]: Creatures you control get +2/+2 until end of turn. Tap all creatures your opponents control. Loyalty 5
Angel of Destiny 3WWCreature — Angel Cleric Flying, double strike Whenever a creature you control deals combat damage to a player, you and that player each gain that much life. At the beginning of your end step, if you have at least 15 life more than your starting life total, each player Angel of Destiny attacked this turn loses the game. 2/6
Opportunistic Dragon 2RRCreature — Dragon Flying When Opportunistic Dragon enters the battlefield, choose target Human or artifact an opponent controls. For as long as Opportunistic Dragon remains on the battlefield, gain control of that permanent, it loses all abilities, and it can't attack or block. 4/3
Thrill of the Hunt GInstant Target creature gets +1/+2 until end of turn. Flashback {W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Descendant of Masumaro 2GCreature — Human Monk At the beginning of your upkeep, put a +1/+1 counter on Descendant of Masumaro for each card in your hand, then remove a +1/+1 counter from Descendant of Masumaro for each card in target opponent's hand. 1/1
Sheltering Ancient 1GCreature — Treefolk Trample Cumulative upkeep—Put a +1/+1 counter on a creature an opponent controls. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) 5/5
Order of the White Shield WWCreature — Human Knight Protection from black {W}: Order of the White Shield gains first strike until end of turn. {W}{W}: Order of the White Shield gets +1/+0 until end of turn. 2/1
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