Invasion of Arcavios // Invocation of the Founders on the battlefield.
Replication Technique and Dramatic Reversal in hand.
Nonland permanents you control can tap to produce at least ({5} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Steps
Activate all mana-producing permanents you control by tapping them, adding at least ({5} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Cast Dramatic Reversal by paying ({1} magic symbol) ({U} magic symbol) , untapping all nonland permanents you control.
Cast Replication Technique by paying ({4} magic symbol) ({U} magic symbol) , targeting Invasion of Arcavios.
Replication Technique's demonstrate ability triggers, causing you and an opponent to copy it, with your copy targeting Invasion of Arcavios.
Resolve your copy of Replication Technique, creating a token copy of Invasion of Arcavios.
When the token Invasion of Arcavios enters the battlefield, it triggers, returning Dramatic Reversal to your hand from your graveyard.
Resolve the original Replication Technique, creating a token copy of Invasion of Arcavios.
When the token Invasion of Arcavios enters the battlefield, it triggers, returning Replication Technique to your hand from your graveyard.
Repeat.
If nonland permanents you control can tap to produce at least ({6} magic symbol) ({U} magic symbol) ({U} magic symbol) , you may earn infinite mana, and then target any other permanent using the copy of Replication Technique.
Results
Infinite copies of permanents you control.
Infinite copies of Replication Technique for opponents.
Infinite creature tokens.
Infinite ETB.
Infinite magecraft triggers for all players.
Infinite mana nonland permanents you control can produce.