You can recover from a Wrath of God easily with Sidar Jabari of Zhalfirs second ability or use Patriarch's Bidding to get your entire army back at once
Discard Pile: Your discard pile is where you place cards after they've been used, knocked out, or discarded due to an effect during gameplay
Guff boosts a whole deck full of Planeswalkers, generating creature tokens as crucial blockers, restocking your hand, providing mana ramp and eventually building up to a devastating burn effect
The Knockout Collections, for instance, are usually a safe bet for finding some older but still fun sets
Sagas can provide constant benefit if you use some counter-removing cards like Power Conduit, Thrull Parasite, and Xavier Sal, Infested Captain to be your bookmark and keep you on one chapter
Any haste-enabler outside of red is an exciting prospect in my book, and Merry and Pippin' Abzan commander color identity gives you access to a lot of lifegain, tokens, and creature synergy