Creature — Human Knight
Teferi's Honor Guard
Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) {U}{U}: This creature phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)
From Magic: The Gathering.
Exact printings
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