scarlet and violet booster box opening 151 - including ultra Scarlet & Violet Base Set

Plus, you can't do propositions with special characters either, so you can't take advantage of propositions to get extra quick JP for them

If you want the best value, go for this amazing toolkit

If they are holding removal or countermagic you can take that away, see what other options they have and then do your own thing with perfect information and safety

If the new creature has an ability that triggers at the beginning of the end step, that ability will trigger and resolve even if the creature is returned to your hand during the end step before that ability resolves

BPhillipYork: 5 mana to force 2 sacrifices is a lot, it's okay if you don't have any creatures, but that's a weird off-brand use