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.