Having a way to keep a big creature on the board for the low cost of holding a single land open is an essential part of most formats, and Tamiyo's Safekeeping is one of the best you could tuck away for when you're in a pinch
Don't chase them to complete a budget build
1 Dread Statuary
Myr Superion There are a number of casual decks that can find ways to drop Myr Superion as fast as possible with creature mana, from Burning-Tree Emissary to various mana dorks
Enchanted cards in Shimmering Skies have new text box and border designs which allow for more of the full art to be seen, as compared to the Enchanted cards in sets 1-4 For the first time, Legendary cards in this set have a raised texture on certain parts of the art like the character and some effects
Joshua, Phoenixs Dominant (Legendary Creature Human Noble Wizard) Cost: 1 any land, 1 Mountain, 1 Plain When Joshua enters, discard up to two cards, then draw that many cards