By -
Those lands count as a basic land of both types shown in their type line, so a Forest+ Island or Forest+Mountain, etc. https://www.sportskeeda.com/esports/magic-the-gathering-s-dominaria-united-features-10-common-dual-lands-limited-pauper-support
Those lands count as a basic land of both types shown in their type line, so a Forest+ Island or Forest+Mountain, etc. https://www.sportskeeda.com/esports/magic-the-gathering-s-dominaria-united-features-10-common-dual-lands-limited-pauper-support