Infinite storm count, Infinitely large creature until end of turn
Cast Mox Diamond either from your hand or from the top of your library by paying
Showdown of the Skalds and Elsha's prowess ability trigger.
Resolve the Showdown of the Skalds trigger, putting a +1/+1 counter on Arcbound Reclaimer.
Resolve the Elsha trigger, giving it +1/+1 until end of turn.
Choose to sacrifice Mox Diamond instead of having it enter the battlefield.
Activate Arcbound Reclaimer by removing a +1/+1 counter from it, putting Mox Diamond from your graveyard onto the top of your
Component Cards
How It Works
Cast Mox Diamond either from your hand or from the top of your library by paying
Showdown of the Skalds and Elsha's prowess ability trigger.
Resolve the Showdown of the Skalds trigger, putting a +1/+1 counter on Arcbound Reclaimer.
Resolve the Elsha trigger, giving it +1/+1 until end of turn.
Choose to sacrifice Mox Diamond instead of having it enter the battlefield.
Activate Arcbound Reclaimer by removing a +1/+1 counter from it, putting Mox Diamond from your graveyard onto the top of your library.
Repeat.