Spine of Ish Sah by paying ({0} magic symbol) due to
Sami.
When
Spine of Ish Sah enters, its first ability triggers, targeting either a permanent an opponent controls or itself if an opponent doesn't control a targetable permanent.
Holding priority, activate
Bartolomé del Presidio by sacrificing
Spine of Ish Sah.
If you targeted
Spine of Ish Sah in step 2, the ability will fizzle due to having no legal target.
Spine of Ish Sah's second ability triggers, returning it from your graveyard to your hand.
Resolve the
Bartolomé del Presidio ability from step 3.
Resolve the
Spine of Ish Sah trigger from step 2, if applicable.
Repeat from step 1.
Results
Infinite storm count.
Infinite +1/+1 counters on
Bartolomé del Presidio.
Destroy all permanents opponents control each turn.