708.5. An effect that asks for a particular characteristic of a split card while its in a zone other than the stack gets two answers (one for each of the split cards two halves).
Example: Infernal Genesis has an ability that reads, At the beginning of each players upkeep, that player puts the top card from his or her library into his or her graveyard. He or she then puts X 1/1 black Minion creature tokens into play, where X is that cards converted mana cost. If the top card of your library is Assault/Battery when this ability resolves, the game sees its converted mana cost as 1, and 4. You get five creature tokens.
708.6. Some effects perform comparisons involving characteristics of one or more split cards in a zone other than the stack.
708.6a An effect that performs a positive comparison (such as asking if a card is red) or a relative comparison (such as asking if a cards converted mana cost is less than 2) involving characteristics of one or more split cards in any zone other than the stack gets only one answer. This answer is yes if either side of each split card in the comparison would return a yes answer if compared individually.
708.6b An effect that performs a negative comparison (such as asking if cards have different names) involving characteristics of one or more split cards in any zone other than the stack also gets only one answer.This answer is yes if performing the analogous positive comparison would return a no answer.
708.6c If an effect performs a comparison involving multiple characteristics of one or more split cards in any zone other than the stack, each characteristic is compared separately. If each of the individual comparisons would return a yes answer, the whole comparison returns a yes answer.
Example: Void reads, Choose a number. Destroy all artifacts and creatures with converted mana cost equal to that number. Then target player reveals his or her hand and discards all nonland cards with converted mana cost equal to the number. If a player plays Void and chooses 1, his or her opponent would discard Assault/Battery because the game sees its converted mana cost as 1, and 4. The same is true if the player chooses 4. If the player chooses 5, however, Assault/Battery would be unaffected.
