if you give your alluring creature a bunch of buffs, then make it indestructible or use a card like Eerie Interference or Dolmen Gate, you can blitz through your opponents boards in a couple of combats
Learn More Custom MTG Proxies that shuffle like the real thing Want to test a new brew, tune your lines, or play Commander without taking out a second mortgage for your manabase
There still is risk in running these maindeck in a format where you can easily get run over by a Lorehold or Silverquill strategy Speaking of getting run over, Karok is a pretty useful answer to early game threats, such as the various 2 and 3 power creatures in Lorehold and Silverquill
Legality depends on the tournament format -- Vanishing can be legal in some formats and banned or restricted in others
Plus, you might, occasionally, be able to blow up the world