As an opponent's monster declared a direct attack with a monster whose ATK is greater than or equal to his LP, Kaiba activates his face-down "Krystal Avatar", Special Summoning it as a monster with ATK equal to his LP (1000/0), then changing the attack target to it
Heres a few things to keep in mind when looking for these types of cards: The best cards to buy/sell/trade for profit are the cards that are limited or have small print runs
Crow can throw a wrench into their plans, especially since it hits both Monster and Spell and Trap cards
Starting Town even comes in handy when trying to cast Eldrazi with colorless requirements and colored spells such as Ancient Stirrings in the same deck
Illustrated by Campbell White Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
Still, Commander players looking for a casual, off-beat typal deck can build a deck for The Mycotyrant, which conveniently lumps together the Fungus and Saproling creature types