Mavinda, Students Advocate (Feather, the Redeemed) Feather already has so much card advantage, but shell always take more
You need to be careful with Akroma's Will, however, as the second mode grants your creatures protection from all colors, except this will remove any auras or colored equipment that may be attached to them 3 Swords To Plowshares Swords to Plowshares is the premier single target removal spell in Commander
Alela also has deathtouch and lifelink, so theres potential for some Voltron strategies here, too
These cards are incredibly frustrating to play against, being unfair and feeling almost like cheating, or preventing your deck from even being able to function
What Exactly Is the Reserved List
You can build any decks you want with the cards you have, or play with preconstructed decks such as Card Kingdom Battle Decks