mtg banding cards o:banding · Scryfall Magic: The Gathering Search can attack in a band Helm of Chatzuk · Fifth

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.) Whenever this Vehicle becomes crewed, up to one other target Vehicle you control becomes an artifact creature until end of turn

You simply pay the cost in their upper-left corner, before doing what the text says and putting the card in your discard pile

Theres also The Nipton Lottery, which is a pretty unreliable but very silly boardwipe and creature-stealing spell that seems like a blast to cast

Preacher Now, Preacher on the other hand has a few good reasons to be expensive: First of all, look at that amazing artwork by Quinton Hover

If the second ability triggers multiple times in the same turn, perhaps because there were multiple combats, you will be able to play that many additional lands