This means that by using an already solid removal option, a player can gain additional value through casting this card as a creature after the fact
Also, normally, losing lands to milling is good, as it means you aren't losing valuable spells, but with grind in the mix it makes milling lands a lot scarier
This, combined with the expansion of the card pool since the card's release, has made this card more powerful than any other Leader
For example, I cast [c]Lightning Angel[/c]
Each version of Spider-Man brings something unique, whether it doubles counters, hands out trample, or makes your whole team harder to stop
Aggressive Biomancy is pretty nice in that it functions as removal in the right deck