Name:Lithomancer's Focus
ManaCost:W
Types:Instant
A:SP$ Pump | Cost$ W | ValidTgts$ Creature | TgtPrompt$ Select target creature | NumAtt$ +2 | NumDef$ +2 | SubAbility$ DBEffect | SpellDescription$ Target creature gets +2/+2 until end of turn. Prevent all damage that would be dealt to that creature this turn by colorless sources.
SVar:DBEffect:DB$ Effect | Defined$ Targeted | ReplacementEffects$ PreventColorless | RememberObjects$ Targeted | ForgetOnMoved$ Battlefield
SVar:PreventColorless:Event$ DamageDone | Prevent$ True | ActiveZones$ Command | ValidSource$ Card.ColorlessSource | ValidTarget$ Card.IsRemembered | Description$ Prevent all damage that would be dealt to that creature this turn by colorless sources.
SVar:Picture:http://www.wizards.com/global/images/magic/general/lithomancers_focus.jpg
Oracle:Target creature gets +2/+2 until end of turn. Prevent all damage that would be dealt to that creature this turn by colorless sources.