Enlightened Confidant

Lifelink At the beginning of your end step, if you gained life this turn, surveil 1. If you put a card with mana value less than or equal to the amount of life you gained this turn into your graveyard this way, put that card into your hand.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o64hp3gj7pb1hkyf9hrnx.