Cavern of Souls [Modern Masters 2017] Dwarf Serra Ascendant gets +5/+5 and

Serra Ascendant gets +5/+5 and has flying

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {U} Change the target of target spell with a single target unless that spell's controller pays {2}

When Paralyze enters the battlefield

"Many are in high place

where X is the number of Swamps you control

Cavern of Souls [Modern Masters 2017] Dwarf Serra Ascendant gets +5/+5 andSet: Modern Masters 2017 Type: Land Rarity: Mythic As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.