Dragonfly Swarm — ruling 1

Dragonfly Swarm's triggered ability checks if there is a Lesson card in your graveyard when it is put on the stack and again when it goes to resolve. If there is no Lesson card in your graveyard when Dragonfly Swarm dies, the ability will not be put on the stack at all.

Dragonfly Swarm : règles, fonctionnement et interactions (MTG)

Dragonfly Swarm is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Flying, ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .) This creature's power is equal to the number of noncreature, nonland cards in your graveyard. When this creature dies, if there's a Lesson card in your graveyard, draw a card.

How it works : Dragonfly Swarm

Original English text — Wizards of the Coast / Scryfall

#1October 2, 2025· Wizards of the Coast
Dragonfly Swarm's triggered ability checks if there is a Lesson card in your graveyard when it is put on the stack and again when it goes to resolve. If there is no Lesson card in your graveyard when Dragonfly Swarm dies, the ability will not be put on the stack at all.
No other card is named in this ruling.