MTG >Combos >Dramatic Reversal +Isochron Scepter +The Millennium Calendar +

With

The Millennium Calendar

with at least one counter and at least 4 non-land mana sources. 1) Cast

Isochron Scepter

and imprint

Dramatic Reversal

. 2) pay and use the activated ability of

The Millennium Calendar

doubling the number of counters, pay and use the ability of

Isochron Scepter

untapping all your permanents that other than land including

The Millennium Calendar

. Repeat process 4 until you reach 1,000 markers and sacrifice

The Millennium calendar

and deal 1,000 damage to each opponent.