Varragoth, Bloodsky Sire + Temporal Extortion + Mirari + Canal Dredger

Varragoth, Bloodsky Sire

Temporal Extortion

Mirari

Canal Dredger

How it works

1. Cast Temporal Extortion by paying .
2. Temporal Extortion and Mirari trigger.
3. Resolve the Mirari trigger, paying 3 and copying Temporal Extortion.
4. Resolve the Temporal Extortion copy, causing you to take an extra turn after this one.
5. Resolve the Temporal Extortion trigger, allowing any player to pay half their life to counter the spell.
6. If no one does, resolve Temporal Extortion, causing you to take an extra turn after this one.
7. Activate Canal Dredger by tapping it, putting Temporal Extortion on the bottom of your library.
8. Declare Varragoth as an attacker.
9. Pay 1 to activate Varragoth, searching your library for Temporal Extortion and putting it on top.
10. Repeat each turn.