Unfortunately, the fact that these appear to cycle for two mana rather than one rules them out of the same conversations
Valley Floodcaller's second ability applies to noncreature cards in any zone, provided something is allowing you to cast them
Clerics have seen many powerful creatures with recent sets, especially from Voice of the Blessed, which gains +1/+1 counters and gains other keyword abilities the more life you gain
Casting Cost: Card Type: Creature - Goblin Warrior Power / Toughness: 3 / 3 Card Text: , , Blight 1: This creature deals 2 damage to each opponent
As its only effect is to end the game in a draw, it's the only card in a game that, objectively speaking, cannot win a game via its own effect
Overall hit rate : 1525% per packencouraging openings, but specific chases scarce due to ninja-themed distribution