Isshin, The Storm Reborn

Double-strike, Bushido 3.
Isshin, The Storm Reborn costs {1} less for
each Samurai you control.
If Isshin, The Storm Reborn leaves play,
until end of turn, you may pay 10 life.
If you do, return this card to the
battlefield under your control with Haste.
Hestitation is defeat.