You need to be able to choose two different target creatures in order to cast Leeching Bite.
01-06-2011
wotc
If only one of the targeted creatures is still a legal target when Leeching Bite tries to resolve, that creature will still be affected, but the illegal target won’t be.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.