Planeswalker Nissas +1 offers a steady stream of card advantage/ramp and a somewhat menacing -7 ultimate
You can grab regular versions of this villain for four dollars, but the showcase surge foil version is upwards of $26
#4 Sliver Hivelord This is the source, the line unbroken since the calamity that brought such monsters to our shores. Hastric, Thunian scout Hastric seems to be an expert on the sliver species considering the volume of quotes he has on other sliver cards
First, they're well-geared to snowball their numbers, often by creating other goblins
The sneaky thing about this card is that after its effect of giving escape to all of your nonland cards, it also can be recurred
By going from 40 mana sources to 43, we increased the the chance of hitting our critical mana from 72 percent to 97 percent and made our fictional aggro deck more consistent