2
Artifact
When ~this~ leaves the battlefield, all attacking creatures can't be blocked except by artifact creatures until end of turn
3UU: two target artifacts gain ''spells and activated abilities that aren't mana abilities cost any player up to 2 less to cast'' until end of turn
Imprint — Sacrifice a artifact: you may exile target Swamp. (The exiled card is imprinted on this artifact.)
permanents of any colour of mana the imprinted card could produce gain protection from attacking creatures
Imprint — When ~this~ enters the battlefield, you may exile target land. (The exiled card is imprinted on this artifact.)
When ~this~ is returned to its owner's hand, tap target creature of any colour of mana the imprinted card could produce

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4G
Creature - Snake (3/1)
trample

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2BR
Artifact
All attacking or blocking creatures can't be blocked except by enchanted Myr

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AlexChurchill/MagicCardGenerator