Making Thopters is cool and all, but they don't necessary solve problems
About five years ago, those types of cards were much better since cubes were slower, but with many cubes adopting aggressive strategies and getting more efficient removal options, things like the Vindicate test (where you get an effect out of it if the creature dies at sorcery speed, so Consecrated Sphinx passes that test) hamper its effectiveness, but it does protect itself well if you are able to untap with it since you can turn just about any blue card into a counterspell or draw card
Calamity of the Titans Campfire Canoptek Scarab Swarm Canoptek Tomb Sentinel Chaos Is My Plaything Chaos Wand Chimil, the Inner Sun Chrome Mox City of Shadows Clive's Hideaway Clone Shell Codie, Vociferous Codex Cogwork Assembler Cold Storage Colfenor's Urn Combat Courier Confession Dial Conjurer's Closet Conqueror's Galleon Containment Construct Conversion Chamber Cori Mountain Monastery Cranial Archive Crook of Condemnation Crossroads Candleguide Cryptex Currency Converter Cybermen Squadron Dalek Intensive Care Data Scrubber Dauntless Scrapbot Death-Mask Duplicant Dermotaxi Desecrate Reality Devourer of Destiny Digsite Conservator Dino DNA Disruptor Wanderglyph Dollhouse of Horrors Doom's Time Platform Dream-Thief's Bandana Dungeon of the Mad Mage
Dropping your creatures at the end of anothers turn and then untapping allows you to keep your mana up for other effects or instants
When the last is removed, sacrifice it.) When this creature enters, create four 1/1 green Squirrel creature tokens
