To check whether a card is actually from one of these three sets, look for the crucial feature that identifies it as a reprint
Enduring Renewal and Blinking Spirit were great for combos, but Call to Arms, Caribou Range, General Jarkeld and Seraph were great on their own and Justice, Drought and Order of the Sacred Torch were a blessing for sideboards everywhere
Avatar Kyoshi Legendary Creature Avatar Lands you control have trample and hexproof
Whereas, cards like Hades - Lord of the Underworld, Snow White - Well Wisher, Lady Tremaine - Wicked Stepmother, Nick Wilde - Wily Fox, or even Mufasa - Betrayed Leader I would consider passive card draw engines, but serve different purposes when used correctly
Then we get a Phyrexian Arena-style trigger each time our opponents attack one anothereven if that creature wasnt goaded by us