Name:Thriving Rhino
ManaCost:2 G
Types:Creature Rhino
PT:2/3

T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigEnergy | TriggerDescription$ When CARDNAME enters the battlefield, you get {E}{E}.
SVar:TrigEnergy:DB$ PutCounter | Defined$ You | CounterType$ ENERGY | CounterNum$ 2

T:Mode$ Attacks | ValidCard$ Card.Self | Execute$ TrigPutCounter | TriggerDescription$ Whenever CARDNAME attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it.
SVar:TrigPutCounter:AB$ PutCounter | Cost$ PayEnergy<2> | CounterType$ P1P1 | CounterNum$ 1

SVar:Picture:http://www.wizards.com/global/images/magic/general/thriving_rhino.jpg
Oracle:When Thriving Rhino enters the battlefield, you get {E}{E} (two energy counters).\nWhenever Thriving Rhino attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it.