If you can equip, swing, and make 10 mana in one turn, then this is worth playing
Offering decent buffs, token generation, and all for potentially free, this card is a future Commander staple
Umezawa's Jitte Umezawa's Jitte is a powerhouse in Legacy and strong enough to have been preemptively banned in Modern from the first day of that format, though that's since changed
Note that both of these can kill Vees which are artifacts not something Black is good at, hence them hitting here on my first list
(2/5/2021) The subtype Shapeshifter that appears on the type line is mostly there to reinforce the flavor
Decks with 1 or fewer colors dont need to concern themselves with this as much for obvious reasons