mtg explore card Valakut Exploration [Zendikar Rising] dwellers to embrace as my own Explore - MTG Wiki

There's plenty of ways to just keep casting spells, red has so many ways to generate mana off of spell casts now that this gets fairly dangerous

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It's situational removal that can kill multiple pesky creatures and it's rather easy to pull off in practice because you get to untap the newly elected blockers and your opponent doesn't even need to attack you in order to pull this off

These obviously play quite nicely with all the Equipment in the deck, but have applications beyond that too

Rain Of Riches The decklist has a ton of different ways to create Treasure tokens, including Rain of Riches itself