Ratadrabik of Urborg | Adrix and Nev, Twincasters | Duke Ulder Ravengard

Cards

At the beginning of your combat phase,
Duke Ulder Ravengard triggers, giving
Adrix and Nev haste and myriad until end of turn.
Declare
Adrix and Nev as an attacker.
Adrix and Nev's myriad ability triggers, creating two token copies of
Adrix and Nev that are tapped and attacking each opponent.
Put all
Adrix and Nev tokens into your graveyard due to the legend rule.
When the
Adrix and Nev tokens die,
Ratadrabik of Urborg triggers that many times.
Resolve the first trigger, creating a number of nonlegendary token copies of
Adrix and Nev equal to 2^(the number of
Adrix and Nevs you control) that are 2/2 Zombies.
Repeat step 6 for each remaining trigger.