One of the best cards at fulfilling this purpose is Zeraora, and its coin flip attack is also energy efficient
You can build around tokens, artifacts, draw-two payoffs, fish detectives, payoffs for Clue tokens, or even go the Voltron commander route if you so desire
Cecil Harvey (Tymna the Weaver) A personal favorite (seriously, I adore Final Fantasy IV), Tymna, the Weaver's design is another card that fits the flavor of the character well
(Choose any number of permanents and/or players, then give each another counter of each kind already there.) Creature - Angel Phyrexian Color tag templates(None) Odric, Lunarch Marshal At the beginning of each combat, creatures you control gain first strike until end of turn if a creature you control has first strike