Joheim, Mana Synthesizer

When Joheim enters the battlefield, create a 1/1 red Goblin creature token.
Goblins you control have, "{t}: Add {u/r} to your mana pool."
Whenever you cast a spell with a converted mana cost higher than the number of lands you control, draw 2 cards, then discard a card.
"Dream big, little one. Dreams mean everything."