Granting everything haste is something red already wants to do, and is often willing to pay 3 mana to do that and nothing else, while the Warp ability for any red and artifact cards is just begging for abuse as cost cheating is very powerful
From simple support cards to busted card draw and mana engines, landfall has a little something for every deck
The amount of damage Call from the Grave deals is determined by the casting cost
So, if we can agree that an extra turn is worth 15 life or so, how does that work in practice
For instance, heres a search of all two-mana blue Wizards in Modern found in this collection using one set of view/sort options: When you filter by colors, the game displays results specially to assist Commander deck builders: The top two groups are important for Commander: cards fully within the searchs color identity, and those that are color-independent (colorless thus, format-legal)
Sands and the Stone work as solo pieces with the right amount of mana, but ideally you'll always want to start with Sands of Delirium and them finish with Keening Stone