Name:Mathas, Fiend Seeker
ManaCost:R W B
Types:Legendary Creature Vampire
PT:3/3
K:Menace
T:Mode$ Phase | Phase$ End of Turn | ValidPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigPutCounter | TriggerDescription$ At the beginning of your end step, put a bounty counter on target creature an opponent controls. For as long as that creature has a bounty counter on it, it has "When this creature dies, each opponent draws a card and gains 2 life."
SVar:TrigPutCounter:DB$ PutCounter | ValidTgts$ Creature.OppCtrl | TgtPrompt$ Select target creature an opponent controls | CounterType$ BOUNTY | CounterNum$ 1 | IsCurse$ True | SubAbility$ DBAnimate

#TODO: Ideally, this has to be implemented with a condition where, if counters are removed from the permanent, the trigger
#is removed even if the counters of the same type are later added via something else.
SVar:DBAnimate:DB$ Animate | Defined$ Targeted | sVars$ MathasPayoffDraw,MathasPayoffLife,MathasDeath | Triggers$ MathasDeath | Permanent$ True

SVar:MathasDeath:Mode$ ChangesZone | Origin$ Battlefield | Destination$ Graveyard | ValidCard$ Card.Self+counters_GE1_BOUNTY | Execute$ MathasPayoffDraw | TriggerDescription$ When this creature dies, each opponent draws a card and gains 2 life.
SVar:MathasPayoffDraw:DB$ Draw | Defined$ Player.Opponent | NumCards$ 1 | SubAbility$ MathasPayoffLife
SVar:MathasPayoffLife:DB$ GainLife | Defined$ Player.Opponent | LifeAmount$ 2
SVar:Picture:http://www.wizards.com/global/images/magic/general/mathas_fiend_seeker.jpg
Oracle:Menace\nAt the beginning of your end step, put a bounty counter on target creature an opponent controls. For as long as that creature has a bounty counter on it, it has "When this creature dies, each opponent draws a card and gains 2 life."