And of course, any deck with access to Ephemerate or similar effects can threaten efficient countermagic even after the Sprite hits the board
The rise of the Eldrazi in colorless cards like Kozilek's Command and the prominence of sacrifice effects in cards like Accursed Marauder mean she's not immune to removal the same way she was when first printed
If that player can't, perhaps because one of those creatures is tapped, or chooses not to, Tromokratis can't be blocked
1 Whispersilk Cloak 1 Bountiful Promenade 1 Canopy Vista 1 Command Tower 1 Evolving Wilds 12 Forest 1 Fortified Village 1 Path of Ancestry 12 Plains 1 Razorverge Thicket 1 Scattered Groves 1 Scavenger Grounds 1 Sungrass Prairie 1 Sunpetal Grove 1 Terramorphic Expanse 1 The Great Mound 1 Throne of the High City Related Products
Effectively, for each card you spend, you get one to replace it
And just look at all those many colors