1BBB
Enchantment
All attacking or blocking creatures can't be blocked except by artifact creatures
When ~this~ leaves the battlefield, Return target creature card from your graveyard to the battlefield
-- When provoked, Her kitten made of steel proves better than even the most skilled toothpaste
– Glacian, the black

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(W/U)
Sorcery
Buyback 4
Buyback X white mana, where X is the number of colours among permanents an opponent controls
target red enchantment gains ''All nonlegendary artifacts can't be the target of spells and activated abilities'' (This effect doesn't end)

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GGGG
Instant
distribute up to one -1/-1 counter on two target creatures with toughness 2 or less and put two +1/+1 counters on those creatures and all Elves get +3/+3 until end of turn

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AlexChurchill/MagicCardGenerator