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17 May 2024: Card library updated.

Chaos Moon

3R · Enchantment

At the beginning of each upkeep, count the number of permanents. If the number is odd, until end of turn, red creatures get +1/+1 and whenever a player taps a Mountain for mana, that player adds an additional {R}. If the number is even, until end of turn, red creatures get -1/-1 and if a player taps a Mountain for mana, that Mountain produces colorless mana instead of any other type.

Similar cards

Color identity:
NameManaTypeText
Bull's Strength 1GInstant Target creature gets +2/+2 and gains trample until end of turn. Untap it.
Spoils of War XBSorcery X is the number of artifact and/or creature cards in an opponent's graveyard as you cast this spell. Distribute X +1/+1 counters among any number of target creatures.
Sakiko, Mother of Summer 4GGLegendary Creature — Snake Shaman Whenever a creature you control 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. 3/3
Lulu, Wild Hollyphant 2GWLegendary Creature — Elephant Angel Flying Whenever you attack with one or more other creatures with flying, those creatures get +2/+2 until end of turn. 2/4
Exotic Curse 2BEnchantment — Aura Enchant creature Domain — Enchanted creature gets -1/-1 for each basic land type among lands you control.
Omnath, Locus of Mana 2GLegendary Creature — Elemental You don't lose unspent green mana as steps and phases end. Omnath, Locus of Mana gets +1/+1 for each unspent green mana you have. 1/1
Enlarge 3GGSorcery Target creature gets +7/+7 and gains trample until end of turn. It must be blocked this turn if able. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)
Mayhem Patrol 1RCreature — Devil Warrior Menace (This creature can't be blocked except by two or more creatures.) Whenever Mayhem Patrol attacks, target creature gets +1/+0 until end of turn. Blitz {1}{R} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.) 1/2
Wirewood Channeler 3GCreature — Elf Druid {T}: Add X mana of any one color, where X is the number of Elves on the battlefield. 2/2
Michiko's Reign of Truth 1WEnchantment — Saga (As this Saga enters and after your draw step, add a lore counter.) I, II — Target creature gets +1/+1 until end of turn for each artifact and/or enchantment you control. III — Exile this Saga, then return it to the battlefield transformed under your control.
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