The latest in a long line of Uros and Omnaths, cards that do everything, Binding the Old Gods is an absolute pillar of the format
Effectively, you both want ways to make Food /fill your graveyard and cards that say Forage on them
Since Deathtouch means only one damage is needed to be considered lethal to any blocking Creature, any extra damage will Trample over to the defending player
Still, realistically, you should probably play basics over my off-color duals and play some other trump like Curse of Echoes or more counterspells instead
I once ran a Norin the Wary deck that focused on these kinds of effects, and this looks very similar to me in the way you can make use of it
While his facial expression is a bit off-putting, the colors of this card are mesmerizing