Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Dark Ritual

Each player discards their hand, then draws seven cards.

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Whenever an opponent draws a card, this enchantment deals 1 damage to that player.

Each player shuffles the cards from their hand into their library, then draws that many cards.

At the beginning of each player's draw step, if this artifact is untapped, that player draws an additional card.