There are so many keywords and mechanics in MTG and thats what makes this game so fun: all the possibilities
Once it hits the field, all nonbasic lands become Mountains
Read More: 10 Best Standard Cards from Innistrad: Midnight Hunt Counterspell Another iconic spell from Alpha , Counterspell has risen in value since its legality in Modern thanks to Modern Horizons 2
The Hand: PONT, Juniper, 5 Cards no one cares about Juniper Pr(AUBUC) = Pr(A) + Pr(B) + Pr(C) Pr(AB) Pr(AC) Pr(BC) + Pr(ABC) Pr(AUBUC)*Pr(A 1 UB 1 UC 1 )= (0.952) 1 (0.952) = 0.048 or Pr(Getting at least 1 DCE, and 2 PlusPowers or 1 DCE, 1 PlusPower and 1 Junk Arm) = 4.8% So the odds of pulling off the DCE, double PlusPower with Juniper that turn were less than 5%
Lastly black brings some nice card draw two drops
And it throws around more damage if other goyfs enter the battlefield, which is totally doable alongside Nethergoyf and Barrowgoyf in the Arena Powered Cube