If you are Emboldened 10 or more, The Cart Titan's abilities cost {1} less to activate.

{1}{r}{t}: Exile the top card of your library. Until end of turn, you may play that card.

{2}{g},{t}: Put two +1/+1 counters on target creature you control.

{3}{b},{t}: Search your library for a creature card, shuffle your library and put that card on top.