The floor of rummaging is rather mediocre, but you can cast a wheel like Wheel of Fortune to super-charge the attack trigger
Karrthus, Tyrant of Jund Karrthuss defining strength is stealing all Dragons on entry and granting them haste , instantly flipping the board and enabling surprise kills
He's a paladin from the plane of Amonkhet and is known for wielding sand magic. Basri completed the Trial of Solidarity and his spark was ignited in a moment of pure elation. He was a follower of Oketra and returns to Amonket to find it in ruins after disappearing upon becoming a planeswalker
When I dug into the decklist, that gem count came from a rate of at least 40 gems per mythic, 20 gems per rare, 10 gems per uncommon, and about 5 gems per common
Think of static interaction which includes hatebears, artifacts, and enchantments with static abilities as the seasoning to your deck
most spells with cascade cost between three and six mana, so your sweet spot is going to be five mana or less