8 Misty's Psyduck Has Odd Discard Pile Synergy Interacting With the Bottom Card of the Deck Cards at the bottom of the deck are often incredibly difficult to access without using an item to shuffle the deck and change the order of the cards
If you are looking for a specific ex
Breeches, the Blastmaker Spell copying and coin flips in the same text box make Breeches, the Blastmaker a somewhat chaotic commander
Read More: We need a new rule for MDFC cards in Commander 10 Marrow-Gnawer Marrow-Gnawer is a five mana 2/3 Rat Rogue that gives all of your Rats fear
Nelly Borca, Impulsive Accuser synergizes well with Agrus Kos, Spirit of Justice because they both have abilities that suspect opposing creatures
Now, thats still five mana in total, but the key thing here is that you can flip Vesuvan Shapeshifter face up and face down a lot in a single match, and that means you can always have a copy of the best Creature on the battlefield