Patient Scavenging

At he beginning of your end step, you may exile
up to three target cards from among graveyards
that share a card type. If you exiled three cards
this way, reveal cards from the top of your
library until you reveal a card that shares a card
type with the exiled cards and put that card into
your hand then put all other cards revealed this
way on the bottom of your library in any order.
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One man's trash...