Because creatures controlled by opponents aren't being put into a graveyard, any "when [this creature] dies" triggered abilities those creatures have won't trigger.
16-06-2023
wotc
If the target is not legal as Stone of Erech's activated ability tries to resolve, the ability is removed from the stack. You won't draw a card.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.