Name:Trial
ManaCost:W U
AlternateMode: Split
Types:Instant
A:SP$ ChangeZoneAll | Cost$ W U | ValidTgts$ Creature | TgtPrompt$ Select target creature | RememberTargets$ True | ChangeType$ Creature.blockingRemembered,Creature.isBlockedByRemembered | Origin$ Battlefield | Destination$ Hand | SubAbility$ DBCleanup | UseAllOriginZones$ True | SpellDescription$ Return all creatures blocking or blocked by target creature to their owner's hand.
SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
SVar:RemAIDeck:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/trialerror.jpg
Oracle:Return all creatures blocking or blocked by target creature to their owner's hand.

ALTERNATE

Name:Error
ManaCost:U B
Types:Instant
A:SP$ Counter | Cost$ U B | TargetType$ Spell | TgtPrompt$ Select target multicolored spell | ValidTgts$ Card.MultiColor | SpellDescription$ Counter target multicolored spell.
Oracle:Counter target multicolored spell.