Dazzling Flameweaver is a rare Creature — Lizard Warlock card from Alchemy: Bloomburrow (YBLB), collector number 23.
Menace Ward—Pay 3 life. Whenever one or more creatures you control deal combat damage to a player, conjure a random card from Dazzling Flameweaver's spellbook into exile. You may play that card until the end of your next turn.