Malcolm, the Eyes decks are all about cheap spells
The only drawbacks here are that it's limited to 2 card types and goes on top of your library instead of in hand
The upside is interesting here, and in many EDH games, you should be able to mill 25+ cards with Space-Time Anomaly alone

Advanced Search Sets Random Syntax Aang, Air Nomad Aang, Destined Savior Ajani, the Greathearted Akroma's Memorial Alacrian Armory Always Watching Angelic Field Marshal Brave the Sands Brigid, Who's Seen Some Stuff (playtest) Captain of the Watch Circle of Elders Defender of the Queue (playtest) Doctor Strange, Surgeon Earthbending Student Embodiment of Insight Enduring Vitality Esika, God of the Tree Finneas, Ace Archer Frondland Felidar Gate Hound Gavony Gnarled Grovestrider Hallowed Haunting Heliod, God of the Sun Herald of Dromoka Hold the Gates Inga and Esika Inquisitor Greyfax Jetmir, Nexus of Revels Joraga Bard Kamahl, Heart of Krosa Katara, Water Tribe's Hope Maze Sentinel Oathsworn Giant Oko, Shadowmoor Scion Pheres-Band Warchief Radiant Destiny Raksha Golden Cub Red XIII, Proud Warrior Riders of Gavony Samut, Voice of Dissent Samut, the Driving Force Selenia Sensor Splicer Sentinel Sliver Serra's Blessing Serra's Guardian Silverwing Squadron Spectral Gateguards Star Whale Templar Knight Tenth District Hero The Destined Warrior Thraben Watcher Tocasia, Dig Site Mentor Vihaan, Goldwaker Village Survivors Vivien Reid

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If the spell resolves, you follow its instructions, but then the story gets interesting