Mana Echoes [Double Masters] Token Elite Creature and that player sacrifices those

and that player sacrifices those creatures

put a -1{d} counter on it

then you may put a permanent card from your hand onto the battlefield

Set: EX: Dragon Type: Grass Rarity: Holo Rare Retreat cost: Colorless

Set: Secret Lair Drop Series Type: Legendary Creature — Human Advisor Rarity: Rare Cost: {3}{W} Whenever a source an opponent controls deals damage to you

Mana Echoes [Double Masters] Token Elite Creature and that player sacrifices thoseSet: Double Masters Type: Enchantment Rarity: Mythic Cost: {2}{R}{R} Whenever a creature enters the battlefield, you may add an amount of {C} equal to the number of creatures you control that share a creature type with it. When the ground is saturated with mana, even the lightest footstep can bring it to the surface.