Dark Lore Acolyte

Menace
When Dark Lore Acolyte deals combat damage to a player, if it has fewer than three +1/+1 counters,
add a +1/+1 counter.
{b}, Remove three +1/+1 counters from Dark Lore Acolyte and sacrifice it: Search your library for a card, put it into your hand, then shuffle your library.