You can lean into this with a lifegain commander like Ayli, Eternal Pilgrim, Sorin of House Markov, or Karlov of the Ghost Council, and you can amplify your opponents life loss with effects like Wound Reflection and Warlock Class
Stock trickles in unevenly
I do love this card and I do think that it can be a very great group-hug commander, but I am done seeing it at every number one spot on every group-hug list
The Charizard Gold Star from EX Dragon Frontiers, assuming it's in raw yet gradable condition, is the most expensive of the bunch at just around $20,000
A 2/2 for with firstrike and lifelink is good all by itself, but a card that lets you cheat out Creatures is amazing
Paradox: Various paths...Parallel worlds...Are you speaking of a multiverse