Dualcaster Mage enters the battlefield, it triggers, copying Awaken the Maelstrom, targeting
Dualcaster Mage.
Resolve the copy of Awaken the Maelstrom, causing a player to draw two cards, then allowing you to put an artifact card from your hand onto the battlefield, then creating a token copy of
Dualcaster Mage, then putting three +1/+1 counters on creature(s) you control, and then destroying a permanent an opponent controls.
Repeat from step 3.
Results
Infinite creature tokens.
Infinite ETB.
Infinite magecraft triggers.
Infinite card draw for any number of players.
Infinite draw triggers for any number of players.
Destroy all permanents opponents control.
Mass Land Denial.
Infinite +1/+1 counters on creatures you control.
Metadata
In 16 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Ruthless (Bracket 4+).