Commander Kill

As an additional cost to cast this spell, pay X life. Target creature gets +X/+0 until end of turn.

Pay 3 life: Put a +1/+1 counter on target creature.

Choose a card name. Exile the top six cards of your library, then reveal cards from the top of your library until you reveal a card with the chosen name. Put that card into your hand and exile all other cards revealed this way.

Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) : Skithiryx gains haste until end of turn. : Regenerate Skithiryx.