Target creature gets +1/+1 until end of turn. Draw a card.
Whenever one or more creatures you control deal combat damage to a player, you may pay . If you do, return this card from your graveyard to your hand.
If the target creature is an illegal target as Killian's Confidence tries to resolve, it won't resolve and none of its effects will happen. You won't draw a card.
. If you do, return this card from your graveyard to your hand.