Mass Hysteria

Howling Mine

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

Concordant Crossroads

Maralen of the Mornsong

Players can't draw cards.
At the beginning of each player's draw step, that player loses 3 life, searches their library for a card, puts it into their hand, then shuffles.

Horn of Greed

Whenever a player plays a land, that player draws a card.

Fecundity

Whenever a creature dies, that creature's controller may draw a card.