All 30 foil cards will be different
Each of these represent solid win conditions in their own right, either because of the amount of counters they can stack or because of how much damage they can deal once they have counters stacked on them
Having both ramp and card draw really adds to the playability of your deck, and they seem to complement each other, as seen in the graph below
As is, the removal in Standard is so good that relying on untapping with Etali, Primal Storm on the battlefield is unreliable at best, and you need to untap with this six-drop unless you can give it haste to make playing it worthwhile
Although the token enters attacking, it was never declared as an attacking creature
3, T, Sacrifice a creature: Reveal a number of cards from the top of your library equal to the sacrificed creature's power