In order to push back against the reliance on two mana rocks with a disadvantage like Charcoal Diamond that are heavily played, WOTC has been printing powerful three mana rocks like this pair that tap for any color of mana and then add powerful extras like Decanter of Endless Water
Lotus Cobra is susceptible to just about any type of removal, but it only takes a turn or two to splash any color mana with its Landfall ability for an advantage in a match
P/T Number 169 Language English Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (7/26/2024) You don't choose a target for Curious Forager's ability at the time it triggers
This introduces an element of randomness into the final result
She ensures that +1/+1 counters do not disappear when creatures leave play, which reduces the impact of removal and board wipes while increasing the importance of stable mana access through the top dual lands in MTG
It's better to draw cards that are relevant to multiple situations more often than cards that can only work when you've got a Monarch out
