Destrudo The Lost Dragon's Frisson is a free special summon, and can be used for not just Synchro plays, but Link and even Xyz ones as well to make for a versatile Dragon Monster
If another effect modifies how much damage your red source would deal, including preventing some of it, the player being dealt damage or the controller of the permanent being dealt damage chooses an order in which to apply those effects
Best Future Sight Payoffs Future Sight effects are inherently powerful without any synergy or payoffs by virtue of just letting you play cards from your library, which almost acts like a second hand of cards and provides card advantage over a prolonged game
If this card is Normal or Special Summoned: You can add to your hand up to 2 different "Ragnaraika" cards of yours that are banished and/or in your Deck, except "Ragnaraika the Evil Seed", then banish 1 card from your hand, also you cannot Special Summon for the rest of this turn, except Insect, Plant, or Reptile monsters
The fatal flaw in every plan is the assumption that you know more than your enemy
Valakut Exploration is basically a personal Howling Mine for landfall decks, but it can potentially draw multiple cards if you make multiple land drops