Name:Sentry Oak
ManaCost:4 W
Types:Creature Treefolk Warrior
PT:3/5
K:Defender
T:Mode$Phase | Phase$ BeginCombat | ValidPlayer$ You | Execute$ TrigClash | OptionalDecider$ You | TriggerZones$ Battlefield | TriggerDescription$ At the beginning of combat on your turn, you may clash with an opponent. If you win, Sentry Oak gets +2/+0 and loses defender until end of turn. (Each clashing player reveals the top card of his or her library, then puts that card on the top or bottom. A player wins if his or her card had a higher converted mana cost.)
SVar:TrigClash:AB$Clash | Cost$ 0 | WinSubAbility$ DBPump
SVar:DBPump:DB$Pump | Defined$ Self | NumAtt$ 2 | SubAbility$ DBDebuff
SVar:DBDebuff:DB$Debuff | Defined$ Self | Keywords$ Defender
SVar:Picture:http://www.wizards.com/global/images/magic/general/sentry_oak.jpg
Oracle:Defender\nAt the beginning of combat on your turn, you may clash with an opponent. If you win, Sentry Oak gets +2/+0 and loses defender until end of turn. (Each clashing player reveals the top card of his or her library, then puts that card on the top or bottom. A player wins if his or her card had a higher converted mana cost.)