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"Skyjo" is a card game by the game publisher Magilano
temp link: http://www.angespielt.de/kritiken/skyjo
Every player gets 12 numeric cards which they want to optimize during the game. The player with the smallest sum at the end wins this round.
The 150 cards show values ranging from -2 to +12 (10x each value). Every player gets a hidden set of 12 cards which they order in a 4x3 grid. The player then can choose 2 of those cards which they want to reveal before the round starts.