Boros Charm, Avacyn, Angel of Hope, and Heroic Intervention are all ways of doing this
After the introduction of Supporter cards, only one of which can be played per turn, item cards (the equivalent of the original trainer cards) would rarely allow more than one card to be drawn without cost or coin flips
I'm a newer player
In addition, if you undertake this combo after going second or later in the duel and this card can attack your opponent, in your Main Phase 2 it is possible to XYZ summon Divine Arsenal AA-Zeus - Sky Thunder on top of Drident
These obviously play quite nicely with all the Equipment in the deck, but have applications beyond that too
To match the theme of the set, the line between the two subsets is whether or not you're an enchantment