old mega pokemon cards POKEMON~100 CARD LOT~GUARANTEED EX. EX. FULL ART HOLO OR SECRET RARE! : Toys & Games clear acrylic holder that perfectly accentuates the stunning visual design and character artwork M Steelix EX 109/114 FULL

While you can't pay alternative costs, you can pay additional costs when casting a spell with Cascade

What affects the value of White Kyurem

I think Wizards needs to look at the (1)(U)(G) mana cost as there is also Uro, Titan of Natures Wrath

Mega Charizard X ex Phantasmal Flames 125/94 Mega Gengar ex Ascended Heroes 284/217 Mega Greninja ex Chaos Rising 116/086 Pikachu ex Ascended Heroes 276/217 Psyduck Ascended Heroes 226/217 Umbreon ex Prismatic Evolutions 161 Gengar [Reverse Holo] Perfect Order 050/088 Clefairy Perfect Order 094/088 Sliggoo Chaos Rising 095/086 Mega Greninja ex Chaos Rising 122/086 Mega Charizard X ex Phantasmal Flames 130/94 Mega Zygarde ex Perfect Order 120/088

That's not to say that it never has, or that it never will, or that you shouldn't use it