This will exist as a hard limit to the amount of non-basic lands you can play and it may push three or four colored decks to the periphery of the format
In the case of John Silver, Greedy Treasure Seeker - it really depends on how many locations you can play alongside the character
It doesnt really matter if your hand is a Pikachu, a Stinkweed Imp, a three of clubs, a Goblin token, a rules insert, a Golgari Thug, and a Barry Bonds rookie card, youre still going to be able to deal seven damage by discarding them all to flash back a Conflagrate
(2025-06-06) If another effect (or effects) modifies how much damage a source you control would dealby preventing some of it, for examplethe player being dealt damage or the controller of the permanent being dealt damage chooses the order in which any such effects (including Lightning's) apply
Was also revealed the first two cards of the Final Fantasy Through the Ages Bonus Sheet (which will NOT be Standard-legal) reusing existing concept art on reskinned reprints from Magic
It would still be making absurd money from this set if it was the same price as a normal set