Many of the "Sacred Beast" cards are inspired by scenes from Yu-Gi-Oh
Rankle, Massacre Girl, Gilded Goose, any other problematic creature
That ability won't go on the stack until you're done casting, activating, or resolving that spell or ability, as appropriate

Reward: Pack Hourglasses x12, Wonder Hourglasses x36, Shop Tickets x10 Secluded Springs secret missions Soaring Hoppip How to beat: Collect the regular art variants of Hoppip, Skiploom and Jumpluff ex Reward: Pack Hourglasses x12, Wonder Hourglasses x36, Shop Tickets x10 Legends Racing Across the Land How to beat: Collect the Two-Star full art variants of Entei ex, Raikou ex and Suicune ex Reward: Pack Hourglasses x12, Wonder Hourglasses x36, Shop Tickets x10 Secluded Springs Museum 1 How to beat: Collect the One-Star full art variants of Milotic, Stunfisk, Yamper, Latios, Phanpy and Azurill Reward: Pack Hourglasses x12, Wonder Hourglasses x36, Shop Tickets x10 Secluded Springs Museum 2 How to beat: Collect the Two-Star full art variants of Jumpluff ex, Entei ex, Raikou ex and Poliwrath ex Reward: Pack Hourglasses x12, Wonder Hourglasses x36, Shop Tickets x10 Pokemon That Can Use Attacks Immediately 2 How to beat: Collect the regular Mantyke, Igglybuff, Azurill, the One-Star Full Artwork Azurill, and the Crown Rarity Golden Mantyke

Simic does have the tools to protect Propaganda from effects like this, but Izzet only needs one small window with Propaganda off the board to close the game out completely
A Master Ball Mirror reprint of a card originally from Ruler of the Black Flame [SV3], this card saw all eyes drawn to it almost as soon as it was launched, and unsurprisingly so