Your creatures each cost 1 less to summon. They can't cost less than 1.
The first Chimeras to invade the Fiana Woods didn't expect an attack from the forest itself.

• Collector Number: 46
• Rarity: Rare
• Type: Creature
• Race: Tree Folk
• Power: 2000
• Mana Number: 1
• Cost: 4
• Civilization: Nature
• Artist: Yusaku Nakaaki