Here are a handful of those damage doublers, be mindful of any that offer increases to opponent's sources of damage as well: Angrath's Marauders, Twinflame Tyrant, Fiery Emancipation, Fiendish Duo, City on Fire, and Fated Firepower
Timetwister provides both you and your opponent a fresh hand of seven cards and a fresh library , with only Timetwister remaining in the graveyard
Once an item glimmer is played it remains in your playing field even after it has been exerted, with the only way for your opponent to banish it being through using abilities or other action cards
Keep in mind, however, that foils and different print runs can make this method a less reliable
She has Vigilance on both forms and transforms back at the beginning of our upkeep, so we also have a 6/6 blocker until our next turn
They carry the same basic land subtypes, they work with all your fetch lands, and they can be had for under $100 each