Cast Wisdom of Ages by paying {4}{U}{U}{U}.
Holding priority, cast Seething Song by paying {2}{R}, adding {R}{R}{R}{R}{R}.
Holding priority, cast Reverberate by paying {R}{R}, copying Wisdom of Ages.
Resolve the copy of Wisdom of Ages, returning all instant and sorcery cards from your graveyard to your hand.
Repeat from step 2.

Infinite magecraft triggers

Infinite storm count

Wisdom of Ages

Seething Song

Reverberate

Cast Wisdom of Ages by paying {4}{U}{U}{U}.
Holding priority, cast Seething Song by paying {2}{R}, adding {R}{R}{R}{R}{R}.
Holding priority, cast Increasing Vengeance by paying {R}{R}, copying Wisdom of Ages.
Resolve the copy of Wisdom of Ages, returning all instant and sorcery cards from your graveyard to your hand.
Repeat from step 2.

Increasing Vengeance

Cast Wisdom of Ages by paying {4}{U}{U}{U}.
Holding priority, cast Seething Song by paying {2}{R}, adding {R}{R}{R}{R}{R}.
Holding priority, cast Fork by paying {R}{R}, copying Wisdom of Ages.
Resolve the copy of Wisdom of Ages, returning all instant and sorcery cards from your graveyard to your hand.
Repeat from step 2.

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