All-in-all, Tibalts Trickery is still a little too inconsistent to be banned, but Im always willing to be proved wrong when someone far more ingenious than I just trashes MTG for a couple of weeks with a new deck
It's a very nice mechanic, as it grants these creatures a lot of flexibility
Not only does he let your Defenders attack as though they didnt have Defender not only does he give you the damage according to toughness ability he also gives you a source of hand refill with his final ability
Essentially, you cast Amulet of Quoz, sacrifice it after a whole turn, and bet the outcome of the match in a coin flip
Cost reduction will allow you to get cards like Karametra, God of Harvests, Reki, the History of Kamigawa, and Gandalf the White out early in order to capitalize on their ramp, draw, and synergy
Most cards nowadays have an expansion symbol on the right side in the space between the text box and the art