Going off power rather than CMC makes Mentor of the Meek far easier to activate, despite being stricter
I should know, as I have abused it myself to massive wins all up and down the years in countless formats
Im even going to try this one out: Creatures (23) 4 Rattleclaw Mystic 3 Whisperwood Elemental 3 Den Protector 2 Deathmist Raptor 3 Nissa, Vastwood Seer 4 Hangarback Walker 2 Oblivion Sower 2 Ulamog, the Ceaseless Hunger Planeswalkers (3) Lands (26) Spells (8) From Beyond gets better when the 1/1s actually threaten to trade with stuff and when you go up on fetchable Eldrazi options
but as with most creature cards, Ojutai really shines due to its special ability
The set contains many of the most famous and powerful cards ever printed and remains one of the most important releases in the history of the game
Sir Hiss Aggravating Asp Sir Hiss is a pretty strong character card given it only costs two ink to play, has three strength, and is Evasive