This can be difficult because of how hard it can be to get three Level Ten Monsters on the field
Whether you need to constantly target your own monster with buffs or if you love the mana efficient zero equip cost of Greaves is a question only you can answer
Here are a few good examples of some cheaper creatures already in Red, that I have run with Pygmy Giant
Guardian Grarl Guardian Grarl is another Guardian monster that cannot be brought onto the field unless Gravity Axe - Grarl is out on the field, just like Guardian Elma
Lower Text - Promo Info booster NEXT ADVENTURE [BT-07] CLOSECLOSE BT7-017 R Digimon Lv.6 Chaosdramon Color Red Form Mega Attribute Virus Type Machine DP 12000 Cost 12 Digivolve Cost 1 4 from Lv.5 Digivolve Cost 2 4 from Lv.5 Upper Text Your [Machinedramon] can digivolve into this card in your hand for a memory cost of 1, ignoring this card's digivolution requirements
Best of all, with TCGPlayer's ongoing Black Friday celebrations, you'll get 10% store credit on those purchases, and with no shortage of sellers trying to undercut each other, there's a good chance you'll find some below market value