It's notable that the ability is not limited to once per turn, you just need to have cast an instant or sorcery to turn it on
5 RTYH IR RUN, Skip the EXs $50 Qty
2 Stroke of Midnight Similar to the popular Commander staple, Generous Gift, which creates a 3/3 Elephant creature token in place of a target permanent, Stroke of Midnight instead allows players to create a 1/1 white Human creature token in place of a target nonland permanent
Mono-green decks struggle with card draw like white decks, but Ghalta, Stampede Tyrant's deck may change all that and swing in for the kill
For all that clever rhetoric though, I cant deny that certain mechanics seem to be objectively more volatile and harder to balance and energy is in that club with the likes of storm, affinity and dredge