Kassai of the Golden Sand (HVY090) [Heavy Hitters]

If you've Drawn a card this turn, your sword attacks cost [1 - Resource] less to activate.
<br><strong>Once per Turn Action — Banish 2 red and 2 yellow cards from your graveyard: The next time a weapon you control hits a hero this turn, create a Gold token. <strong>Go again</strong>.