Sephiroth, One Winged Angel

Flying Double Strike

Octoslash - Whenever Sephiroth, One Winged
Angel attacks he deals 4 damage to target creature or planeswalker at the end of each combat until your next upkeep.

Whenever another creature dies you may pay {w} to gain 1 life and put a +1/+1 counter on Sephiroth,
One Winged Angel.