Searcher Through Enigmas

Whenever a counter is put on this creature, look at the top card of your library. If it's a sorcery, add {b}. If it's an instant, add {r}. If it's a land, add {e}. If
it's a creature, look at the top 3 cards of your library, if it's an artifact, add {u}{u}, and if it was an enchantment, tap or untap target permanent then draw a card.
{ut}, {e}{e}: Put a -1/-1 counter on this creature.
{t}, {e}{e}: Put a +1/+1 counter on this creature.