Creature - Elemental Serpent Trample, haste <CR> Lightning Serpent comes into play with X +1/+0 counters on it. <CR> At end of turn, sacrifice Lightning Serpent.
Creature - Elemental/Serpent Trample, haste <CR> Lightning Serpent enters the battlefield with X +1/+0 counters on it. <CR> At the beginning of the end step, sacrifice Lightning Serpent.
