If anyone can explain to me which rule governs this interaction, that would be excellent
The primary drawback of Sunforger is that it is mana intensive, as playing it, equipping it, and using its effect will cost a whopping 8 mana total
Over the last years especially the Moxen, Ancestral Recall and Time Walk went up in price quite significantly
While it can be a powerful tool for aggressive strategies, there are better options like History of Benalia which offers immediate impact and repeated value, making it a more efficient choice in most scenarios
More Potential Than Expected Regardless of how viable these combos actually are, The Water Crystal is already a lot better than expected
Fortunately this isnt in blue so theres a lot less top deck manipulation available to you, but even so this can pop out some heinous stuff extremely fast