Conqueror's Flail [Commander 2016] Island you may cast that card

you may cast that card and you may spend mana as though it were mana of any color to cast that spell

Set: Friday Night Magic 2008 Type: Creature — Plant Wall Rarity: Rare Cost: {1}{G} Defender

They can't be regenerated

Set: Portal Three Kingdoms Type: Sorcery Rarity: Rare Cost: {3}{B} You draw three cards and you lose 3 life

and that spell can't be countered

Conqueror's Flail [Commander 2016] Island you may cast that cardSet: Commander 2016 Type: Artifact Equipment Rarity: Rare Cost: {2} Equipped creature gets +1 +1 for each color among permanents you control. As long as Conqueror's Flail is attached to a creature, your opponents can't cast spells during your turn. Equip {2}