This is one of those cards that it's hard to give value to this early on
If you do, draw X cards, then put up to X land cards from your hand onto the battlefield tapped, where X is the sacrificed creatures power. Being able to throw away some of your cards for not just extra cards in your hand but also extra land in play is game-winning
Because the last ability of each Opposition Agent is trying to exile the card and give permission to play it, the owner of the exiled card chooses which effect wins
As ever these decks pose the counterspell question
Number 392 Language English Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Timeless, Vintage Not Legal Formats Alchemy, Pauper, Standard Rulings (7/23/2021) Like all results tables, the one on The Deck of Many Things cares about the result of the die roll after any adjustments, such as subtracting the number of cards in your hand