Forum:Prohibition question

If Gladiator Beast Bestiari is declared by Prohibition ,can I still send it to the Graveyard using Elemental Hero Prisma 's effect?Later,(same turn),I will be able to fuse the prisma and a GB to summon Gladiator Beast Gyzarus right?115.135.149.111 02:22, November 20, 2009 (UTC)