Against an army that makes heavy use of Deep Striking, Outflanking or Reserves, where a random number of units will appear in the first turn, it's possible that only a small number turn up and are quickly exterminated, or as in one very famous example are prevented from entering play at all
Traicionero Superficial X TRAMPA Continua Cuando un Monstruo Xyz de tu adversario declara un ataque: activa esta carta seleccionando al monstruo atacante
Side Deck 14 Effect Veiler X LIGHT Level 1 [ Spellcaster / TunerEffect ] ATK 0 DEF 0 During your opponent's Main Phase (Quick Effect): You can send this card from your hand to the GY, then target 1 Effect Monster your opponent controls
The Top 8 Single Elimination Rounds do not have a time limit, but Duelists are still expected to play at a proper pace and Slow Play penalties will be enforced as needed
6 Haste An ability most often associated with the color red, haste is an ability that as the name suggests, speeds up a creature
This created the perfect opening for an exploit that revolved around using Butterfly Dagger Alma over and over again with each use filling up Royal Magical Library for some free draws