The equipped creature gets +1/+1 for each creature we control with base power or toughness of 1, and whenever a Hamster, Mouse, Rat, or Squirrel enters we can equip the Sword for free
The first is from which zone you cast the cards: You cast mayhem cards from the graveyard, but you cast madness cards from exile
It's to ensure that your deck is both consistent and efficient
For some, small competition with friends is far as the game goes, while others pursue more serious tournaments
Other times, the set symbols look completely different
Even when a card is knocked into the graveyard, it still serves a purpose, helping to propel new cards to the fore thanks to the decks many delirium triggers, or it pops back into play thanks to its many reanimation effects