Note that you can blink this, unlike Geological Appraiser, if youve been slowly developing a Boros blink deck for some format
For Exploration to be at its best, you want to pair it with ways to draw tons of extra cards or play lands from the graveyard
Bitter Ordeal Cranial Extraction Denying Wind Dichotomancy Dimir Machinations Extract Haunting Echoes Jester's Cap Kotose, the Silent Spider Lobotomy Lost Legacy Memoricide Neverending Torment Nightmare Incursion Pick the Brain Reap Intellect Sadistic Sacrament Stain the Mind Supreme Inquisitor Thought Hemorrhage Titania's Command
Instead, there was a Freyalise pack, which was an Elf pack by every metric besides name
Ramos, Dragon Engine If you want to play all the mutate creatures available, Ramos, Dragon Engine is one of the best choices around
The Quick Shot action is also useful, dealing 1 damage to a character and allowing you to draw a card, and Thumber then gives a chosen character +3 strength on your turn