If you cast a card "without paying its mana cost," you can't choose to cast it for any alternative costs
Strategy: Encourages aggressive destruction of opponent's monsters to maximize card draw
When the end looks near have Globemon and Charismon app fuse into the God Grade [BT21-101 Gaiamon]
Praetors Counsel and Enter the Infinite are the only sorcery cards that grant you no maximum hand size for the rest of the game or until your next turn, respectively
Hakbal, the Surging Soul himself, does a lot in this regard, allowing each merfolk to explore at the start of your combat
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