A handful of the best ways are Virtue of Loyalty, Chivalric Alliance, Forth Eorlingas!, Court of Embereth, and History of Benalia
See rule 702.181, Mobilize. 702.181a: Mobilize is a triggered ability
Mirage, 1996: $1,908 Mirage is pretty deep, with lots of unreprinted cards holding in around $2, like Kukemssa Pirates and Mangara's Tome
I think that this card is especially great when playing lightning rod commanders like Prosper, Tome-Bound that are in colors that lack many good ways to protect them from being destroyed
Secondly, Balan fits so well because his two-mana ability lets you take advantage of all the equipment youve played all at one time
Depending on whether someones purpose is to buy cards, speculate on certain card values, or build a deck, the answer to the question Which card game is worth the most money