While there haven't been that many big tribes so far, they should be treated differently, with all of their cards and support contextually in mind
Commanders that care about attacking seldom have difficulty dealing combat damage to an opponent, which means that this card should be very consistent
When another Black dork ETBs, you drain a life from each foe, so she's a win-con tied to a legendary dork for Command Zone purposes
If that happens and the Spider-Man set doesn't meet expectations, might the company shift its attitude towards UB, and perhaps be a bit more selective about what properties it chooses to adapt
Swords to Plowshares What it does: A one-mana white instant that exiles any creature, with the minor drawback of giving its controller life
Planeswalkers interact favorably with stax cards like Sphere of Safety that impede your opponents attackers