Boros Challenger - The List (PLIST)Mentor (Whenever this creature attacks, put a +1 +1 counter on target attacking creature with lesser power.) {2}{R}{W}: Boros Challenger gets +1 +1 until end of turn. "Send your champion. I could use a light workout."

and all of Yavimaya is its flower

" —Prime Speaker Zegana

(It can attack and {T} no matter when it came under your control

sacrifice it unless you exile another Goblin or Shaman you control

({T}: Add {G} or {U}

You may put a land card from your hand onto the battlefield

then play them from memory

then mill a card

Pay 1 life: Exile the top card of your library face down

You gain 2 life

"What was heads again

and executioner because he killed them all