Rhogar, Lord of the Arena

: If you are casting one or more cards without paying their mana costs, create a 1/1 red goblin creature token.
+1: Reveal a goblin card from your hand. If its mana value is of 2 or less, you may cast it without paying its mana cost.
-4: Each opponent discards a card. Conjure a card named Goblins rage into your hand and another one into your graveyard.