Izzet Steam Maze Plane: Ravnica Whenever a player casts an instant or sorcery spell, that player copies it
However, with the basic Swamp requirement, your mana base needs to be almost exclusively basic Swamps and Cabal Stronghold to really make Cabal Stronghold function, which probably isn't worth the cost in Modern, where splashing a second color and playing utility lands likely give you more power than maybe making extra mana with Cabal Stronghold, and it might not even be worth the cost in Standard
Those guys you shouldn't be so quick to exile from the graveyard as blue has almost no graveyard redundancy or recursion
This means that all permanents retain their other types in addition to being artifact creatures.) This combination not only causes all kinds of shenanigans, the least of which is most certainly not the fact that all lands die because of being creatures with 0/0 power/toughness (unless there's something else increasing their toughness), but it also allows many interesting interactions with non-creature permanents that are not normally possible (because most of the "interesting" interactions usually target creatures and nothing else.) Just to mention one of the numerous possibilities, take for example the situation where Clone enters the battlefield as a copy of Garruk Relentless
Cracking the Code Today's topic is card codes
Tack on the instant-speed player hexproof and earthbend 3 and you get more than enough reason to pay more than the heroic green Commander staple