mtg foundations commander deck Magic The Gathering Tramplesaurus Rex FDC, Ready to Play 100-Card Deck with Foil Commander Card, Tokens, Deck Box & Top Commander cards from MTG

Plenty of veterans can tell you stories about Nekusar, the Mindrazer being enchanted by Corrupted Conscience, or how a sneaky Tainted Strike ended a game unexpectedly

And Doctor is an official MTG creature type, which means it works with changelings

You could do worse than a cheap loot ability

Its worth mentioning that there will be an extended bonus sheet for Avatar (under the Eternal-Legal set code: TLE rather than the main sets TLA), but none of the cards have been revealed so far, and neither have potential special guests that have been known to be included with each set, which started with The Lost Caverns of Ixalan

A life loss deck uses it as an almost-tutor and an enabler to get the most from a card that typically uses life payment to restrict its powerful effect