On the one hand, it sucks when this becomes collateral damage to a Vandalblast
You get an overstatted creature that can draw you cards, that also makes all your other Merfolk less tempting targets thanks to the MTG Ward effect, and becomes indestructible super easily
In grindy games, though, being able to sandbag Burst Lightning until you can deal four damage to the opponent can make a huge difference
Muddle in the Middle ($7 $14) Aurelias Fury $8 Boundless Realms $8 Fiery Gambit $8 Form of the Dragon $8 Gleeful Sabotage $8 Goblin Bushwhacker $8 Yore-Tiller Nephilim $8 Triskelion $8 Sheltering Ancient $8 Pucas Mischief $8 Pull from Eternity $8 Magewrights Stone $8 Manaweft Sliver $8 Knowledge Pool $9 Archetype of Endurance $9 Leveler $10 Souls Attendant $10 Lichs Mirror $10 Lightning Storm $10 Nezumi Shortfang $10 Paradox Haze $10 Not of This World $10 Memnite $12 Norns Annex $12 Burning Inquiry $12 Balduvian Rage $12 Frozen Aether $12 Spellweaver Volute $12 Spike Feeder $13 Sundial of the Infinite $13 Funeral Charm $13 Grand Architect $13 Herald of Leshrac $13 Ravenous Trap $13 Undead Warchief $13 Misthollow Griffin $14 These 36 cards represent the lower middle class of Mystery Booster foils, and their futures will vary pretty widely

I would have also liked to see a Combust or a Fry for Red's Blue/White hoser, but they instead went with Mindsparker, which is an interesting choice when they also have choices like Devout Decree and Deathmark, which are very powerful removal spells
Protect your best creatures with temporarily indestructibility via Gyomes activated ability, or use it politically and offer to save an opponent's creature in exchange for a favor