Vadrok for its mutate cost by paying ({1} magic symbol) ({WU} magic symbol) ({R} magic symbol) ({R} magic symbol) , merging it under
Peregrine Drake.
The
Peregrine Drake mutated creature's ability from
Vadrok triggers, casting
Twinflame from your graveyard without paying its mana cost.
Resolve
Twinflame, creating a token copy of the
Peregrine Drake mutated creature with haste.
The token copy of the
Peregrine Drake mutated creature triggers, untapping five lands you control.
Cast
Snap by paying ({1} magic symbol) ({U} magic symbol) , returning the nontoken
Peregrine Drake and
Vadrok from the battlefield to your hand and untapping two lands you control.
Cast
Vadrok for its mutate cost by paying ({1} magic symbol) ({WU} magic symbol) ({R} magic symbol) ({R} magic symbol) , merging it under the token
Peregrine Drake mutated creature.
The token
Peregrine Drake mutated creature triggers once for each of its
Vadrok abilities.
Resolve one of these triggers, casting
Twinflame from your graveyard without paying its mana cost.
Resolve
Twinflame, creating a token copy of the
Peregrine Drake mutated creature with haste.
The token copy of the
Peregrine Drake mutated creature triggers, untapping five lands you control.
Resolve a second trigger from step 7, casting
Snap from your graveyard without paying its mana cost, targeting the mutated creature that includes the nontoken
Vadrok.
Resolve
Snap, returning
Vadrok from the battlefield to your hand as well as multiple token creatures which cease to exist, and untapping two lands you control.
Resolve any remaining triggers from step 7, casting any noncreature cards with mana value 3 or less that were not already cast since step 7 from your graveyard without paying their casting costs.
Repeat from step 6, adding one additional token
Vadrok to each new iteration of the
Peregrine Drake mutated creature token.
Results
Infinite ETB.
Infinite LTB.
Infinite magecraft.
Infinite storm count.
Infinite casts of noncreature cards with mana value 3 or less from your graveyard.