Stormchaser Drake triggers, causing you to reveal cards from the top of your library until you reveal a land card and put it into your hand.
Activate Lightning Storm by discarding a land card.
The land card is put on the bottom of your library instead of in your graveyard due to Wheel of Sun and Moon.
Resolve the Lightning Storm ability, putting two charge counters on it and changing the target to Mirror Image.
Mirror Image triggers, causing you to reveal cards from the top of your library until you reveal a land card and put it into your hand.
Activate Lightning Storm by discarding a land card.
The land card is put on the bottom of your library instead of in your graveyard due to Wheel of Sun and Moon.
Resolve the Lightning Storm ability, putting two charge counters on it and changing the target to Stormchaser Drake.
Repeat from step 2.
Once Lightning Storm has an arbitrarily large number of charge counters, you may change its target to any other target of your choosing to deal infinite damage to that target.