Budget considerations may also force you to use cheaper alternatives of more expensive cards
For sweepers, I'm running Wrath of God, Fumigate, Rout, and the new Rivals of Ixalan card, Slaughter the Strong, to deal with those pesky indestructible hexproof voltron commanders
Buy the singles and reprints youre interested in instead
Odds are that the prices of these cards will come back down a little bit eventually, the question is whether it is worth waiting
Players do not get the chance to respond to the ability after knowing the result of the roll
For example, if a Human dies during combat on your turn and you cast White Glove Gourmand during your second main phase, its last ability will trigger at the beginning of your end step