Sulfur Golem

Flash
When Sulfur Golem enters the battlefield, if you control three or more islands, draw a card.
When Sulfur Golem enters the battlefield, if you control three or more mountains, Sulfur Golem deals 3 damage to any target.
Sulfur Golem has +X/+Y. Where is X is equal to the number of tapped mountains you control, and Y is equal to the number of untapped islands you control.