You may cast it this turn, and mana of any type can be spent to cast that spell
Can You Proliferate Defense Counters on Battles
Also, any time a +1/+1 counter is placed on Vivi, it also deals one damage to each opponent
2 Archaludon ex Makes Use of the Discard Pile Recovering Lost Energy The current format has two Metal-type decks that are meta threats, but they play completely differently, so players need to choose which playstyle they want to adapt to when choosing the deck they want to play
With cards like Gren Maju Da Eiza that can potentially have an attack and defense of 12,000 or even higher, Moon Mirror Shield allows even a monster with 0 attack to destroy it
And if youre going to lean hard into that creature type, Gargos, Vicious Watcher makes perfect sense, effectively providing you an extra four mana for your X-spell Hydras, and giving you the value of a fight effect if someone targets a creature you control with a spell