Gandalfs Sanction In a spellslinger and/or storm deck, an opponent with a mana elf can just be domed for lethal out of the blue

VAULT X STANDARD SIZE BOARD GAME SLEEVES - Whether you have cards from tabletop board games, pocket and travel games or other cards, keep them protected and extend the lifespan with our premium board game sleeves HIGH QUALITY - With a premium 90-micron sleeve thickness and an excellent shuffle-feel our 50 pack of board game sleeves are ideal for both long-term protection and day-to-day playing CARE FOR YOUR CARDS - Our board game sleeves are made of PVC-free poly plastic material, no acids, plasticizers and no chemical additives ensuring your cards stay minty-fresh with no discolouration or tarnishing PERFECTLY CLEAR - High clarity production ensures our sleeves are free from blemishes, kinks or defects allowing your cards and tokens to shine, while the material choice is splash-resistant and anti-static DIMENSIONS - Sleeve size 65.5 x 91mm (2.57 x 3.58") for cards measuring 63 x 88mm (2.48 x 3.46")

are ok if the condition is for you first to deal battle damage to your opponent, they have had all the chances to respond
Important Notice An error has been discovered in the following card type listing
During your Main Phase (excluding the turn sent to GY), banish this card from GY to Special Summon a WATER monster from your hand to a "Marincess" Link Monster