what is a side deck in yugioh Complete Custom for Yu-Gi-Oh! What does side deck mean?

The devoid keyword appears in the Battle for Zendikar and Oath of the Gatewatch sets

Thats because Reya Dawnbringer, in addition to a not too shabby 4/6 Power and Toughness (though you may be expecting more for such an expensive card), can bring one creature per turn back from your graveyard, returning it straight to your battlefield

And, like its Qasali brethren, the Pridemage can destroy an artifact or enchantment if you pay one colorless mana and sacrifice your card

You don't have to wait until a Living Death is needed later, you can drop it and the earlier the better since it'll be more powerful

For those who wipe out their opponents in a single shot. Price: 100 gems -New Selection Pack: Starved for Destruction The gluttonous dragon, now bearing mighty wings, devours all who stand in its way