The activated ability is costly, and if Im sinking 7 mana into something, Id rather it be a game-ender, not just a value engine
21817254 Mega Ton Magical Cannon
In addition to the obvious things like Syphon cards (do some effect to each other player, gain benefits depending on how many other players this hit), there are cards that affect a random opponent, cards that give everyone the game the ability to join forces to create a big effect (for example, a sorcery that lets everyone pitch in mana and then lets everyone put lands into play from their decks), and Enchant Creature cards sorry Auras that boost the creature while preventing it from attacking to
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maybe its drawing four cards for four mana as an instant
Continuous Spells: Much like the name implies, a Continuous spell is a spell card that, when played, stays on the field of play and has an effect that continues until removed by a players action - such as the use of a spell-destroying card like Mystical Space Typhoon