Captain Boughmast

{2}{g}: Put a growth counter on target creature.
{g}{g}{t}, Move X growth counters on Captain
Boughmast: Search your library for a creature
card with converted mana cost X or less, reveal
it and put it in your hand. Shuffle your library.
Creatures with one or more growth counters
assign combat damage equal to toughness
rather than power and loose all activated
abilities.