Great for Collectible Cards: Perfect for collecting your various cards
Body Double if you mill opponents and Vizier of Many Faces if you mill yourself
Another factor that determines if a card is valuable is whether it features a popular character
Avatar: The Last Airbender - Waterbending Winner: Spirit Water RevivalSpirit Water Revival Runner-up: Katara, Water Tribe's HopeKatara, Water Tribe's Hope Perhaps the least flashy of the four bendings, to waterbend X you have to pay X mana, but you can also tap untapped creatures and/or artifacts you control to help pay for X, with each of them counting as
It's only played in 1121 decks on EDHREC.com but I think it works very well in any Simic deck, especially ramp where you can cast this earlier than turn 5
Even then, itll continually keep shrinking your graveyard