Name:Selfless Squire
ManaCost:3 W
Types:Creature Human Soldier
PT:1/1
K:Flash
T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ DBEffect | TriggerDescription$ When CARDNAME enters the battlefield, prevent all damage that would be dealt to you this turn.

SVar:DBEffect:DB$ Effect | StaticAbilities$ Prevent | SVars$ Prevent
SVar:Prevent:Mode$ PreventDamage | EffectZone$ Command | Target$ You | Description$ Prevent all damage that would be dealt to you this turn.

T:Mode$ DamagePreventedOnce | ValidTarget$ You | TriggerZones$ Battlefield | Execute$ TrigPut | References$ X | TriggerDescription$ Whenever damage that would be dealt to you is prevented, put that many +1/+1 counters on CARDNAME.
SVar:TrigPut:DB$ PutCounter | Defined$ Self | CounterType$ P1P1 | CounterNum$ X | References$ X
SVar:X:TriggerCount$DamageAmount

SVar:Picture:http://www.wizards.com/global/images/magic/general/selfless_squire.jpg
Oracle:Flash\nWhen Selfless Squire enters the battlefield, prevent all damage that would be dealt to you this turn.\nWhenever damage that would be dealt to you is prevented, put that many +1/+1 counters on Selfless Squire.