Every card in Pioneer went through Standard first, with no cards originating from supplementary products or sets legal in the format
However, just over two years later, Bob Maher top 8ed Pro Tour Houston with a Dutch-designed Hermit Druid deck that would quickly ensure the cards banning in basically every non-Vintage format from here on out
-2: Samut, the Tested deals 2 damage divided as you choose among one or two target creatures and/or players
I wish it had indestructible, but that may be going too far given how early this card can be melded in certain Commander decks
Illustrated by Marc Simonetti Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
It pairs excellently with cards like Curiosity for extra card draw or Snuff Out for free life-loss triggers, making it perfect for a hybrid control-and-aggression strategy that slowly locks things down