But Bloomburrow brought in one new MTG commander that can make use of Kill Switch: the highly popular Ygra, Eater of All
Like most Pokmon cards, the value of Greninja ex depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Scarlet & Violet Black Star Promos)
And just like that, you can now do all the best Blue things: brag about Islands all game, cast free spells, draw your entire deck, take all the turns, and with Eluge, even beat something like a Ghalta, Primal Hunger in combat
Each of these examples works differently, but in the end you aim to finish your games by engaging in combat
It was replaced with hexproof because too many players intuitively thought that's how it was played
You can set that up with many cards like Black Sun's Zenith and Toxic Deluge