Maralen of the Mornsong | Timestream Navigator

Cards

({3} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) each turn plus ({6} magic symbol) ({U} magic symbol) ({U} magic symbol) ({R} magic symbol) ({R} magic symbol) each turn available.

At the beginning of your upkeep,
Maralen triggers, causing you to lose 3 life and search your library for
Timestream Navigator and put it into your hand.
Cast
Timestream Navigator by paying ({1} magic symbol) ({U} magic symbol) .
If you don't have the city's blessing,
Timestream Navigator gives you the city's blessing.
Activate
Timestream Navigator by paying ({2} magic symbol) ({U} magic symbol) ({U} magic symbol) , tapping and putting it on the bottom of your library, causing you to take an extra turn after this one.
Gain at least 3 life.
Repeat each turn.
Activate
The Fire Crystal by paying ({4} magic symbol) ({R} magic symbol) ({R} magic symbol) and tapping it, creating a token copy of
Timestream Navigator.
If you don't have the city's blessing, the
Timestream Navigator token will give you the city's blessing.
Activate the
Timestream Navigator token by paying ({2} magic symbol) ({U} magic symbol) ({U} magic symbol) , tapping it and putting it from the battlefield onto the bottom of your library, causing you to take an extra turn after this one.
Repeat each turn.

This combo has been estimated to be Ruthless (Bracket 4+).