As far as I can tell, there's no difference in rewards between the two, it's just a tacit acknowledgement that you're up against opponents who'll probably know their stuff, or not
That card is Reuniclus from Black and White
Tibalt is more likely to end up as a Stolen StrategyStolen Strategy in the command zone to help keep up on card advantage, and rather than wheeling or milling cards into the yard, he might prove to just be better off destroying everyone's stuff and Delirium SkeinsDelirium Skeins-ing or Cabal ConditioningCabal Conditioning the table's hands, leaving everyone else in the dust as he exile-draws tons of cards until eventually he can ult and steal everyone's destroyed and discarded belongings that way
Lets take a look and find out
When it enters play, you can exile two creatures from any graveyards, blending their stats and abilities together into a nutritious creature smoothie
As a member of the warlock class, Prosper wields magical power that he claims he won in a bet with a powerful supernatural being whom he refuses to namesome ancient entity of ineffable nature and incomprehensible power