If you were the one to find it, would you take any of the offers that are available, or would you play it cool and keep the treasure for yourself
That's my Miirym, Sentinel Wyrm deck
Adventure Lands Ishgard, the Holy See Jidoor, Aristocratic Capital Lindblum, Industrial Regency Zanarkand, Ancient Metropolis Midgar, City of Mako The adventure lands from Final Fantasy provide utility in specific decks, with the upside of a land drop after the adventure
The perfect time to be playing Standard
Some creatures are more versatile than others
In some cases, the spells own text will be very clear about it, saying something like You may cast this spell for [cost] rather than pay its mana cost. In other cases, alternative costs are sneakier and partially hidden behind a keyword like flashback, evoke, or warp