how many cards are in a pack of pokemon TCG: 3 Booster Packs & 1 Random Foil Pokémon TCG Pocket's Deluxe Pack:

This Oricorio ex lets you attach as many fire energies from your hand to your fire type Pokemon as youd like each turn, provided you have a fire type Mega Pokemon in play

If a spell is returned to its owner's hand, it's removed from the stack and thus will not resolve

The only issue, assuming you don't consider costing ten mana an issue, is that resolving four cascades in a row can get complicated, especially when individual cascades hit other cascade spells mid-resolution

(7/23/2021) If you gain an amount of life "for each" of something, that life is gained as one event and the ability will trigger only once

This frame treatment is for your convenience and has no rules significance

Then add in Black Vise style cards, such as Viseling