Memnarch has a tiny face Heres one that once upon a time was much more misinterpreted than it is now
Odyssey brought us three blue Thought Beasts--Thought Nibbler, Thought Eater, and Thought Devourer--all of which reduced your maximum hand size by two, three, and four, respectively

Nessian Game Warden Netherese Puzzle-Ward New Way Forward Nexus Wardens Nissa, Steward of Elements Onward // Victory Onward // Victory Oona's Gatewarden Orbs of Warding Orchard Warden Pain's Reward Pentarch Ward Phoenix, Warden of Fire Pillardrop Warden Pippin, Warden of Isengard Predation Steward Prismatic Ward Prismatic Wardrobe Reaping the Rewards Red Ward Relic Ward Resistance Skywarden Reward the Faithful Rewards of Diversity Ringwarden Owl Royal Warden Sage of the Inward Eye Sanctuary Warden Serene Steward Shiva, Warden of Ice Shrine Steward Skophos Maze-Warden Skyward Eye Prophets Skyward Spider Smelt-Ward Gatekeepers Smelt-Ward Ignus Smelt-Ward Minotaur Soul Warden Spectra Ward Spider-Byte, Web Warden Steward of Solidarity Steward of Valeron Steward of the Harvest Swift Warden Tajuru Pathwarden Tapestry Warden Tattoo Ward Tatyova, Steward of Tides Throne Warden Timely Ward Torii Watchward Treetop Warden Trove Warden Valeron Wardens Vault Skyward Vindictive Warden Ward Sliver Ward of Bones Ward of Lights Ward of Piety Warded Battlements Warden of Evos Isle Warden of Geometries Warden of the Beyond Warden of the Chained Warden of the Eye Warden of the First Tree Warden of the Grove Warden of the Inner Sky Warden of the Wall Warden of the Woods Wardens of Silverweb Summit

The first one allows you to pull a lost creature card from your graveyard straight to the battlefield
Many people compare these dimensions to traditional playing cards because the format closely matches the familiar standard playing card size used worldwide