You have at least ({E} magic symbol) ({E} magic symbol) ({E} magic symbol) .
Notable Prerequisites
An opponent cannot block and kill
Lightning Runner.
Steps
At the beginning of your combat phase,
Saheeli triggers, causing you to pay ({E} magic symbol) ({E} magic symbol) ({E} magic symbol) to create a token copy of
Aethertide Whale with haste.
When the
Aethertide Whale token enters the battlefield, it triggers, causing you to get twelve ({E} magic symbol) .
Declare
Lightning Runner as an attacker, triggering its ability, causing you to get ({E} magic symbol) ({E} magic symbol) and then pay eight ({E} magic symbol) to untap all creatures you control and to get an additional combat phase after this one.