Enchantments are like stable manifestations of magical effects that do not go away
Building The Deck Zack Fairs ability to pass on counters is limited by the fact that he has to die to do so, and a single +1/+1 counter isnt valuable enough to deal with the growing commander tax as you loop casting and sacrificing him

0.8%inclusion 7 decks 865 decks Moonstone, Harsh Mistress 0.6%inclusion 5 decks 814 decks Ultron the Annihilator 0.4%inclusion 3 decks 792 decks Top Commanders Tinybones, Bauble Burglar 29%inclusion 1.90K decks 6.57K decks Tergrid, God of Fright 18%inclusion 1.46K decks 7.94K decks Tinybones, Trinket Thief 16%inclusion 1.30K decks 7.94K decks Aclazotz, Deepest Betrayal 5.8%inclusion 459 decks 7.94K decks The Raven Man 3.2%inclusion 256 decks 7.94K decks Liliana, Heretical Healer 2.9%inclusion 229 decks 7.94K decks Tinybones, the Pickpocket 2.4%inclusion 191 decks 7.94K decks Tourach, Dread Cantor 2.0%inclusion 162 decks 7.94K decks Braids, Arisen Nightmare 1.8%inclusion 141 decks 7.94K decks Rankle, Master of Pranks 1.5%inclusion 119 decks 7.94K decks Sheoldred, the Apocalypse 1.1%inclusion 90 decks 7.94K decks Maha, Its Feathers Night 1.0%inclusion 83 decks 7.94K decks Valgavoth, Terror Eater 1.0%inclusion 72 decks 7.41K decks Gix, Yawgmoth Praetor 0.8%inclusion 63 decks 7.94K decks Shirei, Shizo's Caretaker 0.8%inclusion 61 decks 7.94K decks Sheoldred 0.8%inclusion 61 decks 7.94K decks Marrow-Gnawer 0.6%inclusion 51 decks 7.94K decks The Haunt of Hightower 0.6%inclusion 50 decks 7.94K decks K'rrik, Son of Yawgmoth 0.6%inclusion 49 decks 7.94K decks Maralen of the Mornsong 0.6%inclusion 44 decks 7.94K decks Xu-Ifit, Osteoharmonist 1.3%inclusion 42 decks 3.24K decks Syr Konrad, the Grim 0.5%inclusion 42 decks 7.94K decks Azula, Ruthless Firebender 1.4%inclusion 39 decks 2.71K decks Volrath the Fallen 0.5%inclusion 38 decks 7.94K decks New Cards Tinybones, Pocket Nuisance 8.6%inclusion 8%synergy 14 decks 162 decks Moonstone, Harsh Mistress 3.3%inclusion 2%synergy 27 decks 814 decks Doctor Doom, Unrivaled 1.8%inclusion -1%synergy 14 decks 792 decks M.O.D.O.K

The standard for an enchantress is a three-mana card that draws a card when you cast an enchantment
The downside is that you'll consistently get the lowest return of any method on this list
That said, I really appreciate that Terra seems tuned to have a high floor rather than a high ceiling on her power and synergy