Name:Sentinel
ManaCost:4
Types:Artifact Creature Shapeshifter
PT:1/1
A:AB$ Pump | Cost$ 0 | ValidTgts$ Creature.blockedBySource,Creature.blockingSource | TgtPrompt$ Select target creature blocking or being blocked by this creature | SubAbility$ DBAnimate | StackDescription$ None | SpellDescription$ Change CARDNAME's base toughness to 1 plus the power of target creature blocking or blocked by CARDNAME. (This effect lasts indefinitely.)
SVar:DBAnimate:DB$ Animate | Defined$ Self | Toughness$ X | Permanent$ True
SVar:X:Targeted$CardPower/Plus.1
SVar:RemAIDeck:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/sentinel.jpg
Oracle:{0}: Change Sentinel's base toughness to 1 plus the power of target creature blocking or blocked by Sentinel. (This effect lasts indefinitely.)