Name:Kalonian Hydra
ManaCost:3 G G
Types:Creature Hydra
PT:0/0
K:Trample
K:etbCounter:P1P1:4
T:Mode$ Attacks | ValidCard$ Card.Self | Execute$ TrigDoubleCounters | TriggerDescription$ Whenever CARDNAME attacks, double the number of +1/+1 counters on each creature you control.
SVar:TrigDoubleCounters:DB$ MultiplyCounter | Defined$ Valid Creature.YouCtrl | CounterType$ P1P1
DeckHints:Ability$Counters
DeckHas:Ability$Counters
SVar:HasAttackEffect:TRUE
SVar:Picture:http://www.wizards.com/global/images/magic/general/kalonian_hydra.jpg
Oracle:Trample\nKalonian Hydra enters the battlefield with four +1/+1 counters on it.\nWhenever Kalonian Hydra attacks, double the number of +1/+1 counters on each creature you control.