For cards printed before the Exodus set (1998), all set symbols were black
It is insanely good at creating a huge sliver army, pumping the slivers, meanwhile disabling your opponent through a number of removal abilities and ultimatums
The World Spell ( MC ) - This is essentially Tooth and Nail on a permanent
It instant answers non-basic lands, artifacts or enchantments and won't get them a land to fetch out since you won't need it
While I still have some reservations, I find the D&D crossovers a lot easier to reconcile with Magics aesthetic (as I likely will with the Lord of the Rings set, and I am sure I would have were this set of precons focused on Warhammer Fantasy Battles, or even Age of Sigmar)
Which frog commander is your pick