Invasion of Arcavios // Invocation of the Founders | Replication Technique | Turnabout

Cards

Lands you control can tap to produce at least ({6} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) .

Activate all lands you control by tapping them, adding at least ({6} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Cast
Turnabout by paying ({2} magic symbol) ({U} magic symbol) ({U} magic symbol) , untapping all lands 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
Turnabout 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 lands you control can tap to produce at least ({7} 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.