At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle
Its also important to note that Grand Abolisher cant stop activated abilities of cards in zones other than the battlefield, even when they share a card type with the permanents that it can stop
So many cards help Devoted Druid go infinite: Swift Reconfiguration, Vizier of Remedies, and Solemnity to name a few, but the most interesting ones might be Luxior, Giadas Gift from Streets of New Capenna (since it can easily slot into mono-green decks) and Machine Gods Effigy from The Brothers War Commander (though that card is reserved Simic Elf shells)
The problem with that, as Steve mentioned in our conversation with him, is that powerful cards can get lost in the shuffle
Some arent subtle at all
Other options include Cursed Bandit, Demon's Disciple, Fleshbag Marauder, and Merciless Executioner