Of course, the most straightforward way to get gems is by purchasing them with real money
Horizon Lands are best in decks that value card flow and expect games to go beyond the early turns
It is so cheap it can be used in combo applications and shouldn't hurt your tempo if used well in aggro and midrange
Buster Blader, the Destruction Swordmaster X EARTH Level 7 [ Warrior / Effect ] ATK 2600 DEF 2300 This card's name becomes "Buster Blader" while on the field or in the GY
Cheap Cantrips Cantrips like Ponder, Preordain, Brainstorm, Sleight of Hand, Opt, and Serum Visions are very good
The odds on this are very, very low: as laid out in the offering rates, getting a gold card from any pack you open has the following odds associated with it: Cards 1-3: 0% Card 4: 0.040% Card 5: 0.160% Wonder Picks