Red MTG card draw cards Red does have some card draw, but it relies more on exiling cards from your library for temporary use rather than drawing them to your hand
It's even entirely possible that the block already exists and nobody is aware of it yet
Milling had definitely been established as part of artifacts' slice of the color pie (more on this in a bit), so Mirrodin was an excellent block to put more milling artifacts in
The first time that a land enters the battlefield under an opponents control outside of normal land plays, youre able to search for any plains card and put it onto the battlefield tapped
Its especially brutal if you can flash this in as a combat trick, since most players wont dare to attack when this is on their creature
Amass branches off into enough different strategies (aristocrats, tokens, +1/+1 counters, zombies matter) that its just an altogether good mechanic