This gives you access to, at most, six new cards, two of which will spend time as colorless creatures that are also being buffed by Kozilek, the Broken Reality
Your game winner

Scyther #87 (Shiny/ One Rainbow Star) Pineco #88 (Shiny/ One Rainbow Star) Phantump #89 (Shiny/ One Rainbow Star) Trevanant #90 (Shiny/ One Rainbow Star) Charmander #91 (Shiny/ One Rainbow Star) Charmeleon #92 (Shiny/ One Rainbow Star) Ponyta #93 (Shiny/ One Rainbow Star) Rapidash #94 (Shiny/ One Rainbow Star) Slowpoke #95 (Shiny/ One Rainbow Star) Pikachu #96 (Shiny/ One Rainbow Star) Raichu #97 (Shiny/ One Rainbow Star) Electrike #98 (Shiny/ One Rainbow Star) Hawlucha #99 (Shiny/ One Rainbow Star) Gastly #100 (Shiny/ One Rainbow Star) Haunter #101 (Shiny/ One Rainbow Star) Zorua #102 (Shiny/ One Rainbow Star) Zoroark #103 (Shiny/ One Rainbow Star) Forretress #104 (Shiny/ One Rainbow Star) Dratini #105 (Shiny/ One Rainbow Star) Dragonair #106 (Shiny/ One Rainbow Star) Dragonite #107 (Shiny/ One Rainbow Star) Axew #108 (Shiny/ One Rainbow Star) Fraxure #109 (Shiny/ One Rainbow Star) Haxorus #110 (Shiny/ One Rainbow Star) Rewards: 36 Wonder Hourglasses, 12 Pack Hourglasses and 10 Shop Tickets

Megas are Basic, Stage 1, and Stage 2 cards, and the latter two can be evolved directly from their respective Basic card or Stage 1 card
You can fill rows horizontally, vertically, and diagonally
The resulting creature is a 2/2 creature with ward that has no name, mana cost, or creature types