Infinite Saprolings and Mana Have

Double all tokens you get.

Whenever an aura comes onto him, you get four 1/1 guys.

Attach Whip Silk to him, getting four saprolings.

Sacrifice two saprolings to return the Whip Silk to your hand, then play it again, getting four more saprolings.

Nothing Can Attack Me!... As Long As I Don't Draw Any Cards...

Now you can only be attacked by creatures with flying and islandwalk, as long as you don't draw any cards...

...Except that everything loses flying and islandwalk! Nothing can attack you.