Golden-Tail, Sober Mentor

: Creatures you control have “This creature can’t be blocked by creatures with power greater than this creature’s toughness.”
+2: Put a training counter on up to one target creature. That creature gains bushido 1 and becomes a Samurai in addition to its other types.
-1: Look at the top three cards of your library, then put them back in any order. If this ability wasn't activated during your last turn, draw a card