Red-Green is all about playing big, stompy creatures and other expensive spells, with extra payoffs for casting anything with a mana cost of four or higher
However, abusing the enter ability again and again is another story
Urzas Saga is a land, an enchantment, a token-maker and an artifact-tutor all at once, creating a package that is difficult to ignore and hard to play against
Weve had planeswalkers for years now, and since they tend to be among the most hyped cards in any set, Ive written more about them than basically anything else
I suggest running the third Snapcaster Mage, as this will allow you to cast even more of those precious Red Elemental Blasts in the match ups where they matter, leading to a serious advantage in said matches