Mana and Draw Engine with Resonating Lute and Rings of Brighthearth

Step 1: Have Resonating Lute and Rings of Brighthearth on the battlefield.

Step 2: Ensure you have at least seven cards in hand to activate Resonating Lute's draw ability.

Step 3: Activate Resonating Lute to draw a card.

Step 4: Pay using the mana generated by the lands enchanted with Resonating Lute to activate Rings of Brighthearth.

Step 5: Copy the draw ability, drawing an additional card.

Step 6: Repeat the process using the drawn cards to maintain a hand size of seven or more and continue generating mana with lands.

Step 7: Use the infinite mana to cast instants and sorceries from your hand.