If you have a commander that cares about assassins hitting your opponents, that deck is probably an assassin typal deck focused on getting in with assassins
A drop from the well of the games lore
As noted, Breach converted very well to the Top 8, putting 3 pilots into the Top 8 overall, along with some other Midrange/Control variants, and even a Death's Shadow deck
When this second creature hits the battlefield, Cloudstone Curio will trigger and allow you to return another permanent that shares a permanent type with it to your hand in this case, creature
BPhillipYork: Making a beater commander (or other legendary) stronger or indestructible is pretty solid if the creature connecting is a big deal
Candelabra of Tawnos + Magus of the Candelabra Candelabra of Tawnos and its lesser cousin Magus of the Candelabra are useful with lands that tap for lots and lots of mana