what is the size of a mtg card File:Varsizes.jpg The Gathering Card - MTG Wiki

Red removal spells such as Lunge and Shock Troops were turns too late to keep the Bouncer offline, and so a smart player could basically keep his Bouncer around indefinitely, use it to dominate the board, and ride it straight to victory

Is this effect good enough to pay 5 mana for 4 power

The scene also brings into question the name of the card and what exactly is supposed to have been the target of the Enchantment

Sure, it costs the same amount as Jace, the Mind Sculptor and it isnt nearly as powerful, but theres a lot of room for a card to be worse than a card thats banned in Modern and still be good

Combined with this great Rakdos commanders activated ability, youre essentially also getting generic mana on top of whatever benefit you paid for with cards like Bolas's Citadel or Necropotence

Elspeth, Sun's Champion is a very versatile win condition in many Cubes, EDH decks, and some Pioneer decks