mtg first sliver commander deck The Ready to play MTG EDH deck from Gray Gauntlet Games. The First Sliver SLIVER CASCADE

Turning off countermagic is huge in the format, since most games tend to devolve into counter wars when it comes time for someone to win

A reasonable threat that discards a card and can be pitch-cast in an emergency to stop your opponent from comboing off does a lot of work

Gideon, Ally of Zendikar Legendary Planeswalker Gideon +1: Until end of turn, Gideon becomes a 5/5 Human Soldier Ally creature with indestructible that's still a planeswalker

Here are the Marvel Super Heroes Commander Decklists

She's also in the color of haste enablers in red so she can easily tap the turn you drop her to lose that life and cast some stuff for cheap