Fundamental Rift

The owner of target spell or nonland permanent
puts it into their command zone. That card
becomes legendary and becomes a commander.
Exile Fundamental Rift. (You may cast it from the
command zone by paying its costs and an additional
{2} for each time it was previously cast from the
command zone. Commanders put into a graveyard
or in exile may then be put into the command zone.
If a commander would be put into its owner's hand
or library, its owner may put it into the command
zone ins