Orik, Lethal Cleric

{t},{2}{r} : Orik deals 5 damage to target creature.
{t},{2}{w} : Roll a D20. Aply an effect according to
the result :
1 : Sacrifice a creature.
2-9 : Lose 1 life.
10-19 : Regenerate target creature. It gains indestructible until the end of turn. Gain 1 life.
20 : Put target creature from your graveyard on
your battlefield. It gains indestructible until the
end of turn. Gain 5 life.