Since a monster would be destroyed, the opponent responds by activating "Destruction Jammer", a Counter Trap which allows them to negate the activation of an effect which would destroy a monster on their field, and also destroys the card which would do so, by discarding a card from their hand
In addition to also providing the enchanted creatuire with +2/+2, Bear Umbra states that whenever the enchanted creature attacks, its controller untaps all lands they control
Choose the fluffy power of Eldegoss V in the Pokmon Trading Card Game: Shining Fates Tin
In most cases, if you foretell a card that isn't an instant (like Impending Flux), you'll have to wait until your next turn to cast it
That might sounds hard to achieve but your main mechanic to achieve this is via the Vivillon ability that acts essentially as a one-sided Iono, forcing your opponent to put their hand on the bottom of the deck and draw four more