This includes designs from Justyna Dura, Jehan Choo, Mandy Jurgens, and Dani Pendergast
Whenever you do something, draw a card
One particularly damning thing to note is this chart: This table shows that with 7 Swamp and 7 Plains, you will have the required Plains to cast a turn-3 Territorial Hammerskull only 85.9% of the time (on the play, in absence of mulligans or card selection)
In many cases, that can make them pretty valuable too theres some very high prices for some Rainbow Rare cards
Bed rest recommended
Questing Beast manages to have an even more impressive range of abilities than Gargaroth with evasion, haste, defensive capability, and the ability the smack a planeswalker and a player at once