Situn master of elements

: when you gain life your creatures get +10/+10 add 2 loyalty counters and gain that much life again
-5: Gain 200 life add green blue and white twice this card becomes a 200/infinite giant with trample until end of turn
-X: create x 200/10000 trample beasts add X mana of any kind gain 200 life all creatures get +50/+50 and trample this ability can be negative