Beyond being a great defensive spell that gets around attackers being hexproof, it can be used offensively to get some serious ramping action going
Trishula, Dragon of the Ice Barrier Trishula, Dragon of the Ice Barrier is a Synchro 9 with 2700 ATK points and a simple effect of banishing 1 card from the opponent hand, be it on board, graveyard, or even in your hand
What are your favorite card draw spells
(If a player controls 2 or more, they must send some to the GY so they only control 1.) During your Main Phase: You can add from your Deck to your hand 1 "Umi", 1 "Kairyu-Shin" Spell/Trap, or 1 "Sea Stealth" Spell/Trap
Deck Strategy: The Planar Portal deck revolves around casting spells from exile, generating Treasure tokens, and leveraging the Dungeon mechanic to gain incremental advantages