With the Ursula's Return expansion, this power became especially problematic, and Disney Lorcana is now taking steps to address the problem
Grave Danger Commander: Gisa and Geralf (Originally printing: Eldritch Moon) Exxaxl: Dimir precon
Flare of Fortitude Fleecemane Lion Fleecemane Lion Gaea's Gift Heroic Intervention Indominus Rex, Alpha Insidious Mist Inspirit, Flagship Vessel Jirina, Dauntless General Join Shields Karametra's Blessing Kathril, Aspect Warper King Darien XLVIII Lightshield Array Linvala, Shield of Sea Gate Loran's Escape Majestic Myriarch Mutational Advantage Odric, Blood-Cursed Odric, Lunarch Marshal Overprotect Perennation Plaza of Heroes Rayami, First of the Fallen Restoration Magic Saved by the Shell Selective Adaptation Selfless Safewright Shadowspear Shadowspear Shay Cormac Smuggler's Surprise Soulflayer Spectacular Spider-Man Tamiyo's Safekeeping The Fire Nation Drill Tom Bombadil Tyrant Guard Tyvar's Stand Urborg Scavengers Wretched Bonemass Yuan-Ti Scaleshield
Yes, cost increases affect delve spells , but you can usually delve extra cards to help pay for the extra mana
Removal and card draw is something that every deck needs, stapling them together helps further your gameplan faster than the rest of the table
