Yennet, Vampiric Sovereign

Flying, Lifelink,Vigilance
Whenever Yennet, Vampiric Sovereign attacks,
Reveal top 2 cards if your library
If the card is odd Converted Mana cost you may
play it without paying it's cost,
If it is an even converted Mana cost exile it and at
your next upkeep put it in your hand.
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