Oracle Text

Creature — Kithkin

{R/W}: This creature becomes a Kithkin Spirit with base power and toughness 2/2. {R/W}{R/W}{R/W}: If this creature is a Spirit, it becomes a Kithkin Spirit Warrior with base power and toughness 4/4. {R/W}{R/W}{R/W}{R/W}{R/W}{R/W}: If this creature is a Warrior, it becomes a Kithkin Spirit Warrior Avatar with base power and toughness 8/8, flying, and first strike.