Ekko, He Who Shattered Time

Flash
Whenever a nontoken artifact enters the
battlefield under your control, choose one:
• Inevnt and gain 1 life. (Create your choice of either
a 2/2 colorless Construct artifact creature token or a
tapped Treasure.)
• Draw a card and lose 1 life.
Exile five artifacts you control, shuffle Ekko, He
Who Shattered Time back into its owner's
library: Your life total becomes your
starting life total.