Vesuvan Horror

Whenever an opponent discards a creature card
and Vesuvan Horror is in your hand, you may
pay an amount of life equal to that card's
converted mana cost to put Vesuvan Horror onto
the battlefield as an exact copy of that creature
except it has "At the beginning of each player's
upkeep, that player draws a card then discards a
card at random. If that card is a creature card,
you lose life equal to its converted mana cost,
Vesuvan Horror becomes a copy of that creature,
and retains this abilit