Kolaghans Command Modal spells are played for their flexibility and ability to adapt to any situation
A three power Commander saves multiple hits, but thats seven hits, which starts pushing the bounds of an individual threat being quick enough
One card allowing you to do both is, quite frankly, ludicrous
While it is a totally different game, the supercharger that the Terraforming Mars expansion Prelude offers gets that game up and running faster, without a hit to the gameplay
A 4/4 merfolk wizard that requires its controller to champion a merfolk, whenever this creature deals damage to a player, its controller can sacrifice a merfolk to take an extra turn after this one
You can tell which card falls into which expansion by the symbol printed on the type line - for example, the spider emblem printed alongside the words " Legendary Creature " on the cards pictured above