Alternatively you can make a threat as likely to end the game as Monger for cheaper that also does nothing else such as Phyrexian Obliterator, Master of Feasts or even just classic old Tarmogoyf
With a cost of six , it takes a while to play him from your hand
For a players life total to become 26, the player gains or loses the appropriate amount of life
So, in response to your opponents Thassas Oracle trigger, you can Flash this in and stop the win
Creatures Artificers Assistant shows up sometimes, mostly in decks that lean in on historic synergy already - but with the recent printing of Jodah, the Unifier and the latest set - The Brothers War - focusing on artifacts, I expect you may brew a deck soon which ends up with a higher historic count than what youre used to, maybe even just on accident
If exerted be that through singing, questing, using one of their abilities or other reasons in another players turn these characters can be challenged, requiring the challenger to exert their own card and then resulting in both characters simultaneously applying their strength to their rivals willpower
