Warrior's Stand [Portal Three Kingdoms] Fossil Unlimited its power and toughness are

its power and toughness are each equal to the number of Forests you control

Set: Sun & Moon: Burning Shadows Type: Colorless Rarity: Promo Retreat cost: Colorless

Set: Burger King Promos: 2009 Collection Type: Lightning Rarity: Promo Retreat cost: Colorless

Set: EX: Sandstorm Type: Metal Rarity: Holo Rare Retreat cost: Colorless

or planeswalker an opponent controls

Warrior's Stand [Portal Three Kingdoms] Fossil Unlimited its power and toughness areSet: Portal Three Kingdoms Type: Instant Rarity: Uncommon Cost: {1}{W} Cast this spell only during the declare attackers step and only if you've been attacked this step. Creatures you control get +2 +2 until end of turn.