These teach you more advanced strategies, including fusion summons and Synchro summons, so theyre highly recommended for anyone not completely up to date on YuGiOh and its more recent developments
It can also be used by inserting a test that will fail between investigations
If you control a face-up "Darkrai, Ruler of Nightmares": Send 1 card from your hand to the GY
The Pokemon Company has announced that a limited beta of "Pokemon Trading Card Game Live" will launch on iOS, macOS, and other platforms later in February ahead of an official debut
You can swap out cards, add new favorites, and personalize your deck to fit your playstyle and strategy, as long as you follow the formats rules
However a few do have "practical" uses - here are some examples: The particular card you reference, Garruk the Slayer, was created for the Magic 2015 prerelease and is used in a variant where one player plays normally and the other plays as Garruk