Juncker, The Ghastly

+1: Amass Gas Traders 2 (To amass Gas Traders 2, put two +1/+1 counters on an Army you control. It's also a Gas Trader. If you don’t control an Army,
-3: Destroy target creature or planeswalker with mana value 4 or less.
+7: If you control a Gas Traders Army creature token with 8 or more +1/+1 counters, you win the game