Well, Get Lost might give the opponent two extra Lands, and Erode costs half as much mana
With only a few cards of this type in existence, it's understandable that you might not be completely up to speed on how Battles work
The text is funny while actually being related to the creature depicted in the card
The Eminence ability lets you loot (draw then discard) a card whenever you attack with one or more Knights, whether your commander is on the field or in the zone
The bigger winner this year is the Bant deck, which has the two most valuable reprints in Enchantress's Presence and Bear Umbra, both of which were $1015 before reprinting and are now in the $7 range
You can do this easily via the Future Energy Boost Capsule, the Techno Radar, and Professor Turo's Scenario cards