Most of these tap for and/or , while others use blue and red mana symbols in the costs of other activated abilities
Banned cards are determined by a committee independent from Wizards of the Coast, considering social aspects, deck diversity, and long-term format stability
Notably, there are a variety of cards that fill a similar role as Paradise Mantle and can thus replace the equipment in these combo lines
There are tools that let you upload a picture of the card but I find them to be much less accurate than using the caliper or scale loupe
This might not seem like a big deal, but it actually significantly affects the supply of the card
During your movement phase, you are simply looking at the activated army cards movement value and moving the figures on that card up to that many spaces