Shlithex, Elder Brain

Shlithex, Elder Brain enters the battlefield with
X Psi counters on it, where X is the number
of cards in your hand plus 1.
Discard 2 cards: Put a Psi counter on Shlithex.
{t}, Remove X Psi counters from Shlithex:
Choose one -- Target player discards X cards and
you draw X cards; or gain control of another
target creature with converted mana cost
X and untap it.