First strike was purposefully included even though double strike is almost always better because I was trying to put as many keywords on the card as possible

Mono-Blue Devotion Creature (22) 1x Aeon Chronicler 1x Arcanis the Omnipotent 1x Archaeomancer 1x Aura Thief 1x Burnished Hart 1x Clever Impersonator 1x Echo Mage 1x Inkwell Leviathan 1x Kheru Spellsnatcher 1x Master of Waves 1x Mulldrifter 1x Prognostic Sphinx 1x Scourge of Fleets 1x Solemn Simulacrum 1x Sphinx of Magosi 1x Sphinx of Uthuun 1x Teferi, Mage of Zhalfir 1x Thada Adel, Acquisitor 1x Thassa's Emissary 1x Uyo, Silent Prophet 1x Vendilion Clique 1x Venser, Shaper Savant Sorcery (10) Land (38) 1x Academy Ruins 1x Arcane Lighthouse 1x Cavern of Souls 1x Desert of the Mindful 1x Faerie Conclave 28x Island 1x Lonely Sandbar 1x Mystifying Maze 1x Nykthos, Shrine to Nyx 1x Reliquary Tower 1x Strip Mine Instant (10) 1x Blue Sun's Zenith 1x Capsize 1x Counterspell 1x Cryptic Command 1x Cyclonic Rift 1x Dig Through Time 1x Evacuation 1x Hinder 1x Illusionist's Gambit 1x Spell Crumple Enchantment (5) Commander (1) Artifact (11) 1x Bident of Thassa 1x Caged Sun 1x Everflowing Chalice 1x Gilded Lotus 1x Mind Stone 1x Proteus Staff 1x Sol Ring 1x Strata Scythe 1x Sword of Feast and Famine 1x Sword of Light and Shadow 1x Thran Dynamo

A sweep of Standard brought up Biogenic Ooze, which was already a nice threat with Wilderness Reclamation, and the real winner, Cavalier of Flame
Each one has an effect that gets better the more Shrines that player controls
That includes things like the number of named characters, common-level card concepts, or card concepts for fliers