mtg war of the spark cards - 2X Wanderer - the - Near Mint - Unplayed - MAGIC CARD Return target creature card with converted mana cost X from your graveyard to the battlefield Magic: The Gathering War of

Deathlace and Purelace messed with protection from black and protection from white creatures

Green leverages its creatures with cards like Shamanic Revelation and the game-swinging Rishkars Expertise

There's also Kirri, Talented Sprout as a plant/treefolk typal commander, though the red in it color identity doesn't do much for you if treefolk creatures are your focus

These are the free sacrifice outlets in this deck: Altar of Dementia Carrion Feeder Cartel Aristocrat Spawning Pit Viscera Seer Priest of Forgotten Gods (must tap Priest of Forgotten Gods but should probably be done at sorcery speed unless you have an instant to use with the 2 extra black mana the ability will give you) While these are probably your best targets to sacrifice a creature, there are a couple more

Release the Gremlins : Sorcery, casting cost of X generic, X generic, and one red mana