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I also recommend at least considering the gameplay experience of the other players at the table when thinking about what you want to build

Efreet Flamepainter seems half-decent, but isn't repeatable

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The extra turn trigger is lost in that, but theres so much going on here that it doesnt matter much

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The site also supports trading, so you can either trade a card directly (if the other player is online the same time as you) or via a public trade (where you state the card you're offering and the card you want in return, then wait for someone to take the bait)