You can make a giant 7/7 Construct with Urza, Lord High Artificer or with Simulacrum Synthesizer and slowly work towards your goal
However, there just isnt going to be much of a significant cost either
The most detrimental aspect of a dragons playability is the fact that although very powerful, they usually cost 5-7 mana, and those expensive spells tend to see more EDH or sideboard play than as main deck Constructed inclusions
Just make sure youre grabbing the 100-count pack
c) Resell the property without reserve at public auction, or privately under such terms as Company deems appropriate, and the defaulting purchaser will be liable for any difference between the original purchase price and the final sales price
This means counterspells you hit arent totally wasted, since you can hold them up to protect your other spells