Many have captivating artwork and are difficult to obtain due to their low pull rate from packs
Anything included is obviously going to be worse than the Bears in a general, isolated setting
send 1 "Virtual World" card of a different type (Monster, Spell, Trap) from your Deck to the GY, and if you do, Special Summon this card, then, you can add 1 "Virtual World" card of the third type from your Deck to your hand, except "Virtual World Mai-Hime - Lulu"
In fact, the day that a mill deck becomes the topic of conversation for bannings probably means that we have already broken Commander beyond repair
It uses a mechanic introduced in Ursula's Return, Sing Together
Having this many responsive cards not only allows players to combo without dealing with opposing interruptions but also allows players to have enough cards to keep them in the game when they are going second