The Most Dangerous Gamer If attractions are your thing, The Most Dangerous Gamer is one of the more consistent attraction-based commanders
Removing five defense counters from Invasion of Tarkir exiles it, enabling you to cast it transformed into a 4/4 Dragon with flying, trample, and an ability that deals two damage to any target whenever a Dragon you control attacks
Access Tunnel and Rogues Passage are commonly associated with unblockable commander damage, and while that may be true, they can also target your opponents creatures on their turns
A lot of the times they will have a big bullseye on them for your opponents, and by the time it comes around to your next turn the creature will be destroyed or exiled, so why not copy it with Jaxis and get use out of it right away with a copy that has haste
Unfortunately, you need other enchantments in play for Ancestral Mask to show its power