Isshin, Two Heavens as One | Lightning Runner | Delina, Wild Mage

(and one other card)

Declare
Delina and
Lightning Runner as attackers, triggering their abilities twice each.
Resolve a
Delina trigger, creating at least one token copy of
Multiform Wonder that enters the battlefield tapped and attacking.
The
Multiform Wonder token(s) enters the battlefield, causing you to get at least ({E} magic symbol) ({E} magic symbol) ({E} magic symbol) .
Repeat from step 2 for the remaining
Delina trigger.
Resolve the first
Lightning Runner trigger, causing you to get ({E} magic symbol) ({E} magic symbol) and choosing not to pay.
Resolve the second
Lightning Runner trigger, causing you to get ({E} magic symbol) ({E} magic symbol) and pay eight ({E} magic symbol) to untap all creatures you control and to get an additional combat phase after this one.
At the end of your combat phase, each creature token created by
Delina triggers, exiling themselves.
Repeat each combat phase.
Once you have infinite ({E} magic symbol) , you can target different creatures with
Delina's triggers.