Kallio, Underdark Crusader

Double-strike
•If Kallio, Underdark Crusader would be destroyed, you may pay {1}{w}. If you do so, Kallio, Underdark Crusader is not destroyed
but does not untap during your next untap step.
•{3}{w}: Kallio, Underdark Crusader receives +2/+0 until the end of the turn.