Terminate is the ultimate spot removal spell
You can spend one mana, sort the top three cards of your library which is bonkers good, and then tap it to draw and swap with the Top for no mana to save it from removal or draw a key piece of removal or counter
On the other hand, sometimes I'll pay less, especially if the cards are new and/or the seller has most of the "good bulk" in their rare binders
Orfeo, The Boulder Double Infect Damage Suggested Cards: Plague Stinger, Glistener Elf, Rot Wolf Mr
For five mana, you get a White 5/5 with five abilities
Ill discuss the theme, what value each color adds to it, the core colors of the theme, and then suggest a pair of commanders which each use at least one of the core colors but bring other spices to the table