Doubling Season [Ravnica: City of Guilds] Goblin Berserker its power and toughness are

its power and toughness are each equal to the number of Forests defending player controls

Sunken Hollow enters the battlefield tapped unless you control two or more basic lands

Tap five untapped Merfolk you control: Put a +1/+1 counter on each Merfolk you control

Set: Planechase Anthology Planes Type: Plane — Zendikar Rarity: Common Creatures can't block

Doubling Season [Ravnica: City of Guilds] Goblin Berserker its power and toughness areSet: Ravnica: City of Guilds Type: Enchantment Rarity: Rare Cost: {4}{G} If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.