Determining what excess damage would be dealt to a creature is similar to how combat damage from a creature with trample is handled
Both Lantern and Doc, Leader of the Seven Dwarfs, have similar ramping abilities, and they've both been staples in Amber decks previously
Thraben Charm
It gave me Tempt with Discovery vibes where I assume the answer is to never give your opponent lands, but theres a prisoners dilemma kind of choice involved
This deck also gets great control from its blue side with cards like Counterspell and Cyclonic Rift
Acornelia, Fashionable Filcher, Alexander Clamilton, Pippa, Duchess of Dice, Stet, Draconic Proofreader, and Syr Cadian, Knight Owl (this is the only one that makes me chuckle)