Braeder The Painstained

Whenever a creature enters the battlefield under
your control, put a rage counter on Braeder the Painstained.
{t}: Gain control of target creature until end of
turn with converted mana cost X or less, where
X is the number of rage counters on Braeder
the Painstained. It gains haste until end of turn.
Remove a rage counter from it.
{2}{r/w}{r/w}: Put a rage counter on Braeder the Painstained.