Marlene

Flash,Haste,Lifelink
Legendary partner (You can have two commanders if this is one of them. The other one is promoted to legendary.)

At the beginning of your upkeep Gain life equal to the number of creatures and lands you control.

Life Stream- Pay {1}{w}: Rengerate target creature.
When Marlene enters the battlefield search your library, hand, or graveyard for a cloud, Denzel, or Tifa
and put them onto the battlefield. Then Shuffle your library.