This one-two punch lets you play your other huge Timmy creatures, sac them, and then get more mana to play another round of big creatures
He runs Kogla, the Titan ApeKogla, the Titan Ape for creature removal, Beast WithinBeast Within for versatile removal, and CankerbloomCankerbloom because it removes enchantment and artifact and has more power in its stats than a Reclamation SageReclamation Sage
That is not the case for Eidolon of Blossoms
If Lightning Greaves is attached to the only creature you control, you won't be able to attach other equipment to it (or target it with anything else) until you have another creature onto which you can move Lightning Greaves
Knowing they have a Madam Mim - Fox in hand, for example, will dictate whether you want to trade with what is on board or ignore it and quest