The major downside is the cost of 7 mana for the flashback ability
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
Clive Rosfield - Vial Smasher the Fierce (Showcase) (FCA-059) - FINAL FANTASY: Through the Ages Clive Rosfield - Vial Smasher the Fierce (Showcase) (FCA-059) - FINAL FANTASY: Through the Ages Wizards of the Coast Whenever you cast your first spell each turn, choose an opponent at random
Then you can trim down the cards you don't want - for example if your deck is working off of death triggers you may want to use destroy effects instead of exile, to get those valuable death triggers
If you cast Early Frost in the first 3 or 4 turns of the game, its practically Time Walk