Relentless Dead [Shadows over Innistrad] 76 Cards cannot be added from

Cards cannot be added from the Main Deck to your opponent's hand except by drawing them

and if you do that

other monsters you control cannot attack

then target 1 Defense Position monster on the field

Relentless Dead [Shadows over Innistrad] 76 Cards cannot be added fromSet: Shadows over Innistrad Type: Creature Zombie Rarity: Mythic Cost: {B}{B} Menace (This creature can't be blocked except by two or more creatures.) When Relentless Dead dies, you may pay {B}. If you do, return it to its owner's hand. When Relentless Dead dies, you may pay {X}. If you do, return another target Zombie creature card with converted mana cost X from your graveyard to the battlefield.