Here's the card itself: Much like the other cards in Rise of the Floodborn, this version of Arthur veers away from the original version for something more adventurous
If you don't want your opponent's spell to resolve, you simply cast Counterspell in response
1 CP Rain [8-134L] that can give all your Forwards Haste with his special sounds very promising especially since every Knight you play will buff all your field by 2000 Power and Rain would add another 2000 Power on his attack as well as 2000 Power-Reduction for the Opponents field
No matter what happens with Core Set 2020 , I think you can expect these three planeswalkers to continue making their impact felt throughout the rest of the summer
And since he grants Indestructible to the creatures he cheats in for the turn, you can swing with total confidence
5 Jarad, Golgari Lich Lord + Jumbo Cactuar Send That Damage Right To The Face Attacking with Jumbo Cactuar makes him a 10,000/7, but for all that might, it can be blocked by a measly 1/1 token, and nothing will happen to all that damage