Tide of War [Champions of Kamigawa] Phyrexian Dog Remove a charge counter from

Remove a charge counter from Vivid Meadow: Add one mana of any color

Relentless as the tides

in the middle of an open field with no Eldrazi around for miles

Set: Eventide Type: Creature — Shapeshifter Rarity: Common Cost: {1}{G/U} Whenever you cast a spell that's both green and blue

When Bogardan Hellkite enters the battlefield

Tide of War [Champions of Kamigawa] Phyrexian Dog Remove a charge counter fromSet: Champions of Kamigawa Type: Enchantment Rarity: Rare Cost: {4}{R}{R} Whenever one or more creatures block, flip a coin. If you win the flip, each blocking creature is sacrificed by its controller. If you lose the flip, each blocked creature is sacrificed by its controller.