mtg standard blue cards 12 Magic that Defined 2019 Legal in Standard, Rules Text:

Then if you control 4 or more lands, untap that basic land Myriad Landscape Enters tapped Tap to add 1 colorless Tap, pay 2 generic and sacrifice it to search your library for 2 basic land cards that share a type and put them both on the battlefield tapped Prismatic Vista Tap, pay 1 life and sacrifice it to search your library for a basic land and put it on the battlefield Promising Vein Tap to add 1 colorless Tap, pay 1 generic and sacrifice it to search your library for a basic land and put it on the battlefield tapped Shire Terrace Tap to add 1 colorless Tap, pay 1 generic and sacrifice it to search your library for a basic land and put it on the battlefield tapped Terminal Moraine Tap to add 1 colorless Tap, pay 2 generic and sacrifice it to search your library for a basic land and put it on the battlefield tapped Terramorphic Expanse Tap and sacrifice it to search your library for a basic land and put it on the battlefield tapped Thawing Glaciers Enters tapped Tap and pay 1 generic to search your library for a basic land and put it on the battlefield tapped

1 Foil snow basic land Each Collector Booster comes with one of a snow basic land in foil

But that's the honest list

Firstly it is just value