how many cards are in a commander deck mtg The Ur-Dragon Dragon Tribal Five-Color Magic Command zone Commander deck template

Subsequently, when Ultra Magnus, Tactician attacks, you get to put an Artifact Creature onto the Battlefield, for free and attacking

This is done at random

As the reminder text reminds us, mayhem doesn't change when you can cast a spell, so if you discard Electro's Bolt on an opponent's turn, you can't take advantage of mayhem because Electro's Bolt is a sorcery

Then we have equipment like Livewire Lash and Grafted Exoskeleton that have mad synergies with this self-targeting trigger

You must follow all normal timing rules for Bird spells cast and lands played using the middle ability and must pay all costs for spells cast this way