Unless youre drafting Greenwhich has access to Landers and a few fixing toolsyoure taking a big risk by adding a third color
Its always nice to see it show up in a Masters set or a flashback set, but you dont see it in Constructed formats as much anymore as there are just better options
Then he buffs them up if we modify them in some way
If the target creature is an illegal target as Thoughtweft Charge tries to resolve, it won't resolve and none of its effects will happen
What If you wanted to build a Surrakar tribal deck
There are already artifact creatures and enchantment creatures, but cards like Animate Artifact, Zur, Eternal Schemer, Animate Land, and Spark Rupture either add the creature type or convert the card into a creature, in effect replacing the type