{avenging Druid} with a ping like {hermetic study}, have an {intruder alarm} and {wheel of sun and moon} in play, and a {silver myr}.
Tap the Druid to ping your opponant for 1, then search for a land, put it into play, then use the Wheel's effect to shuffle the non chosen cards back into your deck.
play a {shrieking drake} with the myr to activate the alarm and untap the myr and Druid, bounce the drake back to your hand.
Rinse and repeat to your Heart's content.
Perfect for use in a land sac deck.
Looks good