Here are the percentages: (note when I say "rare" below, I mean rare or mythic rare) Common, common will happen 49% of the time
Suplex (great) Three damage for 2 mana is a strong rate, and Suplex also exiles and acts as a Shatter if needed
For split cards, the combined mana cost of the two halves determines its discover cost
Its very nice to planeswalk to Tazeem if you already have good creatures, but if youre behind on board, get away from it as soon as possible because you wont get any benefits
For most of these, I wanted to attach the ability to relatively expensive cards that have narrow uses, but really come in handy sometimes in Commander games
If youve built shenanigans or yep, thats a card that exists decks before, be sure to find a slot for this little vermin friend