Resolve

Resolve is a keyword used on Conditions which means the Condition(s) are checked again at effect resolution, and if they do not pass, the effect does not happen.

Example
Zombie Master - http://yugioh.wikia.com/wiki/Zombie_Master

Condition Ignition Resolve

CHECK Me.Face IS Face:Up

CHECK Me.Area IS Area:Field

COUNT Area:Grave, Side:Both, Type:Zombie, Level:<=4 IS > 0

LIMIT Perturn:1


 * Cost Ignition


 * MOVE Range:1 FROM Area:Hand, Attr:Monster TO Area:Grave CAUSE Method:Discard


 * TARGET Range:1 FROM Area:Grave, Side:Both, Type:Zombie, Level:<= 4 STORE ZombieVar


 * Action Ignition


 * MOVE ZombieVar FROM Area:Grave TO Area:Monster CAUSE Method:Special Summon