For instance: Creatures (19) 4 Zada, Hedron Grinder 3 Reckless Bushwhacker 2 Pia Nalaar 2 Bomat Courier 4 Toolcraft Exemplar 4 Inventor's Apprentice Lands (22) Spells (19) Targeting Zada even once is ton of extra cards, and if you untap with Zada, you might just draw twenty cards in one turn, chaining them together
Guided by Nature Guided by Nature musters the forces of Llanowar under the fierce leadership of Freyalise, Llanowar's Fury
The cost to play them requires some mana of that color and potentially any amount of mana from any other color
And as a Dragon-type, it has no weaknesses, meaning there's no way to hit it supereffectively
Then if your opponent has another monster, it attacks again and has 10,000
Just having an annoying Bloodghast to recur can be game over if you wipe out their hand along with a bunch of lands