Notably, they can't activate mana abilities of those lands
Like most Pokmon cards, the value of Frogadier depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (BREAKpoint)
(This includes disguise, cloak, and in games involving older cards, morph and manifest, as well as a few other effects that turn cards face down.) Common methods for doing this include using markers or dice, or simply placing them in order on the battlefield.
[card]Duskmantle Seer[/card] ($1.50) Playing against devotion strategies implies high-costing spells that this wizard could turn into heavy-damage burn spells
And yet, it turns out that reports of the death of Standard may have been exaggerated