If you no longer control a Desert after that point, perhaps because you sacrificed all of your Deserts while activating mana abilities, this won't affect whether you can legally cast Colossal Rattlewurm
Unfortunately, this causes a lot of confusion, since the term "proxy" has been a part of Magic for a long time and the use of proxies is widely accepted for certain purposes and types of play
This elder giant dog commander allows you to use your graveyard as a resource to reanimate your most powerful creatures like Valgavoth, Terror Eater
15 Jeleva, Nephalia's Scourge A 1/3 Vampire Wizard for four mana, Jeleva Naphalia's Scourge is a Commander that allows you to play your opponent's instants and sorceries
Constructed : Now that there is a really good stax piece available in Standard, I can see Voice of Victory making an impact here
Each color and color combo has a unique playstyle and a wealth of mighty generals to lead your deck to victory