The last lifegain source in the deck is the wildly underrated Battle Menu from Final Fantasy
(2018-07-13) If a replacement effect allows a player to modify or replace an event by putting counters on a creature or player affected by Suncleanser, that player may apply that replacement effect, but they wont get counters
Basically just falling short of an Eternal Witness for Jeskai, upon ETB the good Warden will pull you an Instant, Sorcery, Enchantment, Artifact or even a Planeswalker
Venat, Heart of Hydaelyn / Hydaelyn, the Mothercrystal In commander the name of the game is legendary spells, so planeswalkers and cards you already want in your white deck like Flowering of the White Tree and Caduceus, Staff of Hermes, get much better with Venat, Heart of Hydaelyn in play
Offering a potent Mill effect, insane stats, Annihilator, and a devastating Ward cost, Ulamog, the Defiler is utterly brutal
and the creature lands are best in creature-light decks, or landfall decks that prioritize playing lands, since they can simultaneously be lands and creatures