Toxic Deluge is a -X/-X effect, perfect for taking out indestructible or regenerating creatures alongside the rest, blanking cards like Boros Charm and Heroic Intervention
The real shenanigans start if you proliferate to give Myojin of Infinite Rage multiple indestructible counters
WotC rulings state that Magic cards must be 2.5 inches wide by 3.5 inches tall
Exiling spells with that you can temporarily cast has become reds primary source of card advantage, and Faldorn benefits from it by making tokens of the wolf variety to go along with all the cards you play
For a more Marvel feel, look for the Arc Reactor Sol Ring and the Earth's Mightiest Emblem Arcane Signet
Obviously, it depends on your deck, but I believe players should look for reasons to play more lands, not fewer