过程https://www.bilibili.com/video/BV1SMAbznEMQ
P2为DIY，翻译如下：
Vannifar, Arcane Illusion-Born {2}{G}{U}
Instant Legendary Creature—Elf Ooze Wizard
When this creature enters, you may counter target spell with mana value X or less, where X is your devotion to green and blue. if a creature spell is countered this way, cloak it under your control.
{1}{G}{U}, {T}: Turn target creature you control which actually is a creature card face up.