Fact or Fiction became such a powerhouse that it became an anagram for Vintage - "EOTFOFYL" which stood for "End of Turn, Fact or Fiction, You Lose." It led to dominant new decks in Vintage (such as a mono-Blue build called "BBS" for Blue BS which led to Morphing) and was ultimately restricted
Time Warp and Friends I always think of Time Warp as the standard extra turn spell, though you have some other 5-mana options in Temporal Manipulation and Capture of Jingzhou
If that wasnt enough, Yarus not only slots into all manner of face-down decks as a card draw engine, but also does his best impression of recent green recursive tech like Yedora, Grave Gardener
Green is the creature color (and thus the color that most benefits off of having creatures) and has life gain
The ST23-27 Starter Decks Bundle has everything you need to get started playing
So, you would have had cards with the type Enchant Creature instead of Enchantment Aura and enchant creature as the text