Tarsus, Stalwart Lionguard

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
Whenever Tasrud, Stalwart Lionguard attacks,
it gets +3/+0 until end of turn.
Whenever Tasrud, Stalwart Lionguard blocks,
it gets +0/+3 until end of turn.
"If you think this hammer packs a punch, you haven't
seen what my will can do."