2007 pokemon cards worth money World Championships $3.89 CAD each MINT! CHECK LISTING & PICK 2007 Pokemon Set (-/132) and

The premium for a gem copy over a raw near-mint one is large enough that an authenticated slab is worth the cost and the peace of mind

The set launches mid-June, and the cards will be legal in the Modern, Legacy, Vintage, and Commander formats, and Wizards is also making a Commander LOTR set for you Elder Dragon Highlander lovers

Her ability is twofold, she exiles cards from your opponents library when your Elves or Faeries enter the battlefield, and then she lets you cast spells from that exiled pile for free if you have enough Elves/Faeries to match the mana value

Id also look to mix in some graveyard recursion like Living Death or Oversold Cemetery

It will get a feel for the game and learn more about different formats and strategies.