U
Enchantment - Aura
Enchant permanent
Whenever enchanted permanent is exiled, counter target activated ability unless any player discards a creature card
At the beginning of your upkeep, ~this~ gains ''Whenever you cast a instant spell, target opponent may pay 3. If that player does, target attacking Moonfolk gets -3/-0 until end of turn'' (This effect doesn't end) and target red creature can't be blocked until end of turn
All artifacts can't be the target of spells

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3BBW
Artifact Creature - Myr (2/1)
Whenever a Myr is put into a graveyard from the battlefield, you may pay X, where X is the number of basic land types among lands an opponent controls. If you do, all Golems get +1/+1 until end of turn for each basic land type among lands you control and draw four cards
flying
At the beginning of each player's end step, distribute up to three charge counters on target blue permanent and tap that permanent
As long as any player controls a Myr, Threshold - If you have seven or more cards in your graveyard, All Myr get -2/+2
When ~this~ is put into a graveyard from the battlefield, target player may Discard a card. If that player does, tap target Myr and that permanent is a creature with power and toughness equal to its converted mana cost in addition to its other types (This effect doesn't end)

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1UU
Instant
change the text of target land by replacing all instances of one colour word with another. (This effect doesn't end at end of turn.)
Transmute UUU

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AlexChurchill/MagicCardGenerator