Cant predict what they will do in the time of COVID-19
Move damage and setup for banishing your opponent's cards on the next turn
Cartographers Hawk helps solve a problem that white routinely experiences, namely keeping up with other colors when it comes to ramping
You run up against complex decisions like which order to play your spells, when to kill an opponent's creature or let it die in combat, when to run into a counterspell, and when to use your direct damage to attack a life total
Same goes for Horncaller's Chant, if you've already made a few 4/4 rhino tokens, you can use Eyes in the Skies to add one more to the party
But the nuclear option is Ruinous Ultimatum, which destroys all nonland permanents your opponents control while it leaves your stuff untouched