Enchantment — Aura

Coral Net

Coral Net trading card
Enchantment — Aura1 exact printing

Enchant green or white creature Enchanted creature has "At the beginning of your upkeep, sacrifice this creature unless you discard a card."

From Magic: The Gathering.

Exact printings

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6ojhtee331pb1h1yx77gvd.