I'm not a big fan of "You can't play" cards
Team Rockets Proton From Glory of Team Rocket If you go first, you may use this card during your first turn
Legendary Creature - Shapeshifter Noble Commander (CTRL to add secondary) Boardwipe Boardwipe (CTRL to add secondary) Copy Copy (CTRL to add secondary) Draw Nissa, Steward of Elements +2: Scry 2
Troll and Toad: This online store is a great option for all things playing cards, but does require you to sell a minimum of $30 and pays via check, PayPal, or store credit
UR Ultra Rare Armed Dragon LV10 X WIND Level 10 [ DragonEffect ] ATK 3000 DEF 2000 Cannot be Normal Summoned/Set
Rather than working toward a singular, massive creature, this deck wants you to create a large board of small creature tokens, then buff them up with large anthems