pokemon ancient mew card Pokémon | Authentic Collector's Item Captured in a crystal Ancient Mew - The story

Legality depends on the tournament format -- Undercity Card // The Initiative Card can be legal in some formats and banned or restricted in others

Not only have you negated two or three of your opponent's cards with one of yours, but you've bought a good deal of time to set up your game plan

All for the modest price of 1 green mana

Though were primarily focusing on card draw here, the one life gain on trigger may be relevant in your deck as well as an enabler for other cards, like Archangel of Thune or Cleric Class

Play some of the cheaper dual lands like Clifftop Retreat

Whenever one or more players sacrifice one or more creatures, you create a tapped Treasure token