Thoughtseize has obviously done very well for itself in Vintage, where the two life is just so trivial and the ability to hit anything is invaluable
Full-Art Western Landscape Land card in 16% of packs
The Eleshant in the Room Toxic may be a significantly powered down version of Infect, but dont take that to mean that this set isnt strong
That's right, learning by doing is genuinely the best working method when it comes to this game , as new players can visualize everything in front of them
Now to be fair I do run a creatureless Zur deck designed for higher table play for punishing nasty players here (Zur's Overburdening Commander Deck | Article by Abe Sargent (coolstuffinc.com))
For example, if you put Null Profusion (an enchantment that says your maximum hand size is two) onto the battlefield and then put Library of Leng onto the battlefield, you'll have no maximum hand size