Theyre slow ramp, but they also guarantee your next land drop, so these two sorceries are just great at making sure you get to play a game
Arwen's Gift The Bath Song Bewitching Leechcraft Bill Ferny, Bree Swindler Birthday Escape Borne Upon a Wind Captain of Umbar Council's Deliberation Deceive the Messenger Dreadful as the Storm Elrond, Lord of Rivendell Gandalf, Friend of the Shire Glorious Gale Goldberry, River-Daughter Grey Havens Navigator Hithlain Knots Horses of the Bruinen Ioreth of the Healing House Isolation at Orthanc Ithilien Kingfisher Knights of Dol Amroth Lrien Revealed Lost Isle Calling Meneldor, Swift Savior Nimrodel Watcher Pelargir Survivor Press the Enemy Rangers of Ithilien Saruman the White Saruman's Trickery Scroll of Isildur Soothing of Smagol Stern Scolding Storm of Saruman
On its own it will only do -2/-2, but its usually going to wipe the board and let you keep all of your Squirrels
Dont mill them early
Here's a view of Cthulhu from the wiki to compare Emrakul's two pieces two (You can find the entry here
Use your mana acceleration early to foretell cards, then cast them for cheap later on