My estimation of this card has been slowly getting to the point where I realized that I'm not actually as enthused about it as I originally thought, however, I do think it will be a good card in general power level and I am slowly coming around on how powerful it can be
I was collecting cards and building an unstoppable team on Pokmon Blue way back in the '90s
opponents sacrificing their blockers means that without trample, you wont gain the life
Thorn Mammoth (Brawl Deck card) 5GG Creature Elephant 6/6 Trample Whenever Thorn Mammoth or another creature enters the battlefield under your control, Thorn Mammoth fights up to one target creature you don't control
Badlands Swamp/Mountain Black/Red mana
In particular, you can just connect one time, already have your moneys worth, and be threatening to hit again next turn