Lucky Dice
From Archon Arcana - The KeyForge Wiki
Lucky Dice • Shadows • Artifact • Uncommon • Omni: Destroy Lucky Dice. During your opponent’s next turn, friendly creatures cannot be dealt damage. • Artist: Vladimir Zyrianov • Card Number: MM:267
Commentary
Effects may still attempt to deal damage to a creature that "cannot be dealt damage", but the targeted creature's ability will prevent that damage according to the first step of the Damage section of the Timing Chart.
Source: Timing Chart