Deranged Gambler

If Deranged Gambler is cast with Green or Blue
mana, or without mana, or untapped by another
permanent, then exile it.
{t}: X is one more than a random number less
than 4. You gain X life X times, then pay 5 life.
{ut}: Pay 6 life.
(Those 4 days without being greedy, 10 gold.
I must've been cheating.)