Each Gearhulk is an expensive yet impactful play, each having its own set of keywords and abilities
Oh, and did I mention that if you draw three cards, lose two cards, and have a Psychatog on the table, you've just grown your 'Tog by +6/+6 (two cards in graveyard + Fact or Fiction + 3 cards in hand -- discard the three cards to have six in the grave, remove all six to give another +3/+3)
The way to use this card is quite obvious
I do like Swiftblade Vindicator as there is a lot of possible upside if you are able to pump it up with Mentor creatures or with spells and abilities like that of Aurelia, Exemplar of Justice
What I do like this for is a draw spell, since mono white token decks will really easily amass a lot of counters on this and will likely have some sort of chaff- be it creature or artifact- to pitch to this thing
Special Magic rarities There are several special Magic rarities in the trading card game, too