They may play it this turn
The best way to do this is through a supporter card, Colress's Tenacity, and this card comes with another bonus for slower decks
Top fan pick : Umbreon ex SIR ($1,012) pure beauty
While I had the same reaction when first seeing Jumbo Cactuar's unique ability for the first time, the difference between 40, 10,000, or infinite damage is fairly negligible when they all have the same outcome by the end of a Commander match
5D's World Championship 2011: Over the Nexus Road to Victory is the game guide for Yu-Gi-Oh
These days, there are more utility ways to "storm off" than building a board of goblins, but it's still one of the best ways to ramp in a goblin deck if one needs to get multiple spells cast on a single turn