Wizards knows how powerful Circular Logic was, and had to nuke it
You pay the transmute cost and then can tutor for a card with the same casting cost (regardless of colors)
This was a problem though for things like MTG Changelings, as they then needed an additional bit of rules text to explain that they could attack, despite having the Wall creature type
This alter is stunning
Again, as the game only supports Retina iPads, it wont run on the original iPad, iPad 2 and original iPad mini
That does not always mean they play the same way, as some red leaders flood the board, some manipulate power, some grind through huge bodies, and some became so efficient that the game had to move around them