The Morningtide expansion set for Magic: the Gathering continues on the Lorwyn block by expanding on the tribes and tribal conflicts in the world of Lorwyn. The tribes consist of Soldiers, Shamans, Wizards, Warriors, and Rogues divided up among the 8 creature races of Lorwyn: Kithkin, Merfolk, Faeries, Elementals, Goblins, Giants, Treefolk, and Elves. With [...]

Like each new expansion set, Morningtide introduces some new mechanics or special card abiities. Morningtide has three new mechanics: Prowl, Kinship, and Reinforce.
Prowl
Prowl is the first new mechanic for Morningtide. Prowl is a static ability that functions on the stack. “Prowl [cost]” means “You may pay [cost] rather than pay this spell’s mana cost if [...]

White 28/28
Ballyrush Banneret
Creature - Kithkin Soldier
Kithkin spells and Soldier spells you play cost less to play.
Illus. Ralph Horsley #1/150 2/1
Battletide Alchemist
Creature - Kithkin Cleric
If a source would deal damage to a player, you may prevent X of that damage, where X is the number of Clerics you control.
3/4
Burrenton Bombardier
Creature - [...]