mtg cards like painter's servant As this creature enters MtG Masterpiece Painter's Servant #20

As of this writing, In Scarlet Flames and The Hidden Page have been released

If you are able to hit a non-creature spell from the spells you steal from your opponents, you can reset Etali to get even more cards

Boros Battleshaper Boros Challenger Boros Charm Boros Cluestone Boros Elite Boros Fury-Shield Boros Garrison Boros Guildgate Boros Guildmage Boros Keyrune Boros Locket Boros Mastiff Boros Reckoner Boros Recruit Boros Signet Boros Strike-Captain Boros Swiftblade Evil Boros Charm (playtest) Razia, Boros Archangel

Demonic Tutor is by far the most iconic and most reliable of the lot, not subject to deck shuffling shenanigans like Vampiric Tutor