Empyrial Storm

Split Second, Try Again & Convoke
1-8= Each player creates a 4/4 angel token with
Vigilance & Flying. Opponents tokens enter tapped.
9-16= You create 2 4/4 angel tokens with Vigilance
& Flying. For each one you tap you gain 2 life.
17-20= You create 3 4/4 angel tokens with Vigilance
& Flying. For each one you tap you gain 2 life.
Retrace (You may cast this from your graveyard by discarding a land card & paying its other costs)