Zulgrath, The Ancient One

When Zulgrath, The Ancient One enters
the battlefield, you may search your library
for a basic land card, put that card onto the
battlefield tapped, then shuffle your library.
{x}, Discard a card: Put {x} +1/+1 counters
on Zulgrath, The Ancient One.
Remove three +1/+1 counters from Zulgrath,
The Ancient One: Draw a card.