The free SVG file for the playing card holders is in my resource library
Heliods Intervention (Theros Beyond Death) White already has a lot of mass removal, but Heliods Intervention offers the ability to selectively sweep the board of enemy artifacts and enchantments while leaving your own untouched at instant speed
Eevee's only move is Quick Attack, but the Ascension ability allows you to hunt through your deck for an Eeveelution to evolve your Pokemon
I can't believe they're giving it away for free now
It costing ten mana can be looked at as an upside actually as here are some of the dumb spells you can cheat into play, like Maelstrom Wanderer, Call Forth the Tempest, Emergent Ultimatum, Eerie Ultimatum, and Last March of the Ents
There are loads of other aspects to the game that I simply cant cover in a single article, and you can find all sorts of analysis of the game and its strategies all over the web