Obsessive Pursuit (TLA) #340 [EN/N]

{1}{B} · Enchantment · When this enchantment enters and at the beginning of your upkeep, you lose 1 life and create a Clue token. (It's an artifact with "{2}, Sacrifice this token: Draw a card.") Whenever you attack, put X +1/+1 counters on target attacking creature, where X is the number of permanents you've sacrificed this turn. If X is three or more, that creature gains lifelink until end of turn. · Illustrated by Sija Hong · Avatar: The Last Airbender #340 · EDHREC rank 6403 · Magic: The Gathering, MTG