All your on-draw effects trigger more times than your opponents can handle since youll have the capability to draw so many cards per turn with creatures like Consecrated Sphinx or Magus of the Wheel
One simple card in the notoriously powerful Urza block made them insurmountable: Yawgmoth's Will
Heres a screenshot from the game
Name a Card and Search Hand, Graveyard and Library Then Exile It While these are probably better in regular formats and not singleton formats like Commander, they can still be useful
+1: Create a token that's a copy of target creature you control, except it has haste and "At the beginning of the end step, sacrifice this token." 4: Chandra deals 8 damage divided as you choose among any number of target creatures and/or planeswalkers
Even its seller, Smpratte, is a well-known figure in the Pokemon community, which further increases its value.