Vadrok, Apex of Thunder [Rodan, Titan of Winged Fury] Rare target creature gains deathtouch until

target creature gains deathtouch until end of turn

When one or more cards are milled this way

choose target creature you control

or combat phase

The Sultai Arisen Commander deck set includes:

Vadrok, Apex of Thunder [Rodan, Titan of Winged Fury] Rare target creature gains deathtouch untilMutate {1}{W U}{R}{R} (If you cast this spell for its mutate cost, put it over or under target non Human creature you own. They mutate into the creature on top plus all abilities from under it.) Flying, first strike Whenever this creature mutates, you may cast target noncreature card with mana value 3 or less from your graveyard without paying its mana cost.