Watermarks (as a gameplay mechanic) Back when Wizards was designing Lorwyn , they ran into a recurring issue with creature-type synergies: how could they incorporate non-creature cards into the mix
This is done with various mana dorks such as Helga itself, along with Fanatic of Rhonas, Gwenna, Eyes of Gaea, and Inga and Esika, the last of which turns all your creatures into mana dorks while drawing you cards
My favorite joke of this card is that it's stickered onto a Moat, a very popular and powerful card from Legends
Here are the general rules of thumb I follow when addressing this question myself: If my deck has green, the best mono green mana ramp spells are usually better than my multicolor options
One of the most famous examples of this was The One Ring in the Lord of the Rings: Tales of Middle-earth crossover back in 2023, which was a one-of-a-kind card that ended up being sold to Post Malone for a whopping $2.6 million
Then exile it.) Instant Color tag templates(None) Force Away Return target creature to its owner's hand