Teferi, Who Slows the Sunset Emblem

Flying

Flying This creature can block only creatures with flying.

Flying

Decayed (This creature can't block. When it attacks, sacrifice it at end of combat.)

When this creature dies, it deals 1 damage to any target.

Trample This creature's power and toughness are each equal to the number of instant and sorcery cards in your graveyard plus the number of cards with flashback you own in exile.