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
Once you understand the parts of the card and the gameplay basics, you can quickly jump into your first quest
Also, its one of the few black creatures in this list, and black doesn't get too many copy effects, so this Phyrexian shapeshifter has less competition
6 Haste An ability most often associated with the color red, haste is an ability that as the name suggests, speeds up a creature
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