Whenever an opponent discards a card, you may draw a card.

Landfall — Whenever a land you control enters, you may pay . If you do, draw a card.

Whenever a source an opponent controls deals damage to you, if this artifact is untapped, you may draw a card.

Whenever a creature you control with power equal to its toughness enters, you may pay . If you do, draw a card.

Whenever you cast a multicolored spell, draw a card.

: Add one mana of any color.

Whenever you gain life, you may pay , where X is less than or equal to the amount of life you gained. If you do, draw X cards.

, : Draw a card. X is the number of cards in an opponent's hand.

Whenever you cast a historic spell, you may pay . If you do, create a token that's a copy of this creature. (Artifacts, legendaries, and Sagas are historic.)

Whenever you cast an instant or sorcery spell, you may pay . If you do, copy that spell. You may choose new targets for the copy.

Whenever another nontoken artifact you control enters, you may pay . If you do, create a token that's a copy of that artifact.

Whenever an opponent casts an instant or sorcery spell, they may pay . If they don't, you may copy that spell. You may choose new targets for the copy.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand.

Whenever you draw a card, each opponent loses 1 life.

Whenever a player casts a spell, they may pay . If the player does, they draw a card at the beginning of the next end step.

, Pay 2 life: Draw a card.

At the beginning of your end step, if you didn't play a land this turn, you may draw a card.

Whenever an opponent casts a creature spell, that player loses 2 life unless they pay .

Whenever you're dealt damage, you may put that many charge counters on this artifact.

, , Remove four charge counters from this artifact: You gain 2 life and draw a card.

Whenever you draw a card, exile the top card of your library face down.

At the beginning of your upkeep, you may exile all cards from your hand face down. If you do, put all other cards you own exiled with this artifact into your hand.