Magic: The Gathering Comprehensive Rules Changes - Planar Chaos to Future Sight

Old rule (Planar Chaos)	New rule (Future Sight)
Tribal [Click to view all changes.]
	Tribal Tribal is a type. Each tribal card has another card type. Playing and resolving a tribal card follows the rules for playing and resolving a card of the other type. The set of tribal subtypes is the same as the set of creature subtypes; these subtypes are called creature types. See Creature Types and rule 212.8, "Tribals."

Old rule (Planar Chaos)

New rule (Future Sight)

Tribal

Tribal is a type. Each tribal card has another card type. Playing and resolving a tribal card follows the rules for playing and resolving a card of the other type. The set of tribal subtypes is the same as the set of creature subtypes; these subtypes are called creature types. See Creature Types and rule 212.8, "Tribals."