Most cards usually come with a condition, cost and effects
Each time a card(s) is sent from your Deck to the Graveyard, place 1 Shine Counter on this card
Furthermore, as long as you have mana to spare, Emperor Mihail II allows you to pay one extra mana whenever you cast a Merfolk, creating a 1/1 Merfolk token if you do
Being able to sac one of your own Gobby tokens in order to destroy an opponents powerhouse artifact combo piece or game-warping colorless permanent is quite an impactful trade-off, so if you keep losing to Chimil, the Inner Sun or The Immortal Sun (or other, non-Sun-related artifacts), nab a copy of this bruiser and profit mightily
Try one or combine several to reflect your collecting style
To explain quickly: to Back Draft, take any Limited format (I suggest Cube)