mega gyarados pokemon cards 2016 Xy Breakpoint M EX Breakpoint PSA 8 #27 Colorless Blast Geyser (120+) You may do 20 more damage for each Water Energy attached to this Pokémon Blast Off with Mega Gyarados-EX!

Leyline checks a lot of boxes: free, powerful, and wins the game if it hangs around

And the tutor ability doesnt even cost mana

Mega Mewtwo ex (Red Flash [XY8] 063/059) (PSA 10 Price: ~US$330) The version of Mega Mewtwo ex shown on this card is Mega Mewtwo Y, so named because in the video games, it was only available in Pokmon Y

Unfortunately you cant reanimate the sacrificed creature thanks to the ordering of effects, and sacrificing a creature isnt part of the actual cost of this card

The first one just adds mana to your side of the field, but the second one adds any color mana to your side of the field that can only be used to cast a legendary spell, adding the boon that the spell cant be countered at all, which can be incredibly useful against higher level opponents