4UUU
Enchantment
All tapped white creatures can't be blocked except by green creatures
When ~this~ leaves the battlefield, target player may Tap an untapped Faerie he or she controls. If that player does, draw four cards, then discard two cards
Threshold - If you have seven or more cards in your graveyard, Flash

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4WU
Artifact Creature - Myr (1/1)
1: put a +1/+1 counter on all attacking or blocking creatures
Whenever a Golem is put into a graveyard from the battlefield, target permanent gains ''When ~this~ leaves the battlefield, two target creatures with power 2 or less get +2/+2 until end of turn'' (This effect doesn't end)
Whenever a artifact leaves the battlefield, put a charge counter on two target tapped Myr

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U
Enchantment
When ~this~ is returned to its owner's hand, you may pay WUBRG. If you don't, You and target opponent each untap and gain control of target colourless creature the other controls (This effect doesn't end). and return those creatures to their owner's hand

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AlexChurchill/MagicCardGenerator