Sephiroth, Fallen Hero (Final Fantasy Commander)

Legendary Creature Ñ Human Avatar Soldier - Jenova Cells Ñ Whenever Sephiroth attacks, you may put a cell counter on target creature. Until end of turn, each modified creature you control has base power and toughness 7/5. (Equipment, Auras you control, and counters are modifications.)
The Reunion Ñ {3}, Sacrifice a modified creature: Return this card from your graveyard to the battlefield tapped.