My personal favorite is the one CAG member Olivia Gobert-Hicks on her Affinity Artifacts stream, Dredge the Mire
Which means that by deck-building standards, you can have, instead of the regular limit of four Llanowar Elves, functionally eight of them with four Llanowars and four Fyndhorns
Windborn Muse Windborn Muse works similarly to the cant attack enchantments ranked below but as a creature
Griselbrand Perhaps the most infamous life payment card (next to Channel, maybe?), Griselbrand is the gold standard when you want to reanimate, Sneak Attack, or otherwise cheat creatures into play
Within the Naya world, I think that a split of Carnage Tyrant and Ajani Unyielding in the maindeck is reasonable, given how often Carnage Tyrant is your best sideboard card
The only problem you'll run into is his Zapdos cards because they are resistant to Fighting