buy sealed pokemon cards TCG: Authentic Factory Booster Pack (Includes Mystery Card Bundle - V/VMAX 1 in 3 All Trainers Pokémon Sealed Product + Mystery

You need spare mana and loads of dead cards in hand for this to do much and while it does do a lot in that setting it is a long way from often that you find yourself there

Product code: IB-06 (Illustration Box Vol.6)

Llanowar Elves and all the others (Fyndhorn Elves, Elvish Mystic, etc) do a good job of ramping your green mana, but there are actually some other great options at 1 CMC for mana making that aren't these traditional mana dorks

Legality depends on the tournament format -- Birthday Escape can be legal in some formats and banned or restricted in others

Angelic Guardian Rarity: Rare TYPE: Creature SUBTYPE: Angel CMC: 6 Mana cost: USD: $0.00 EUR: 0.00 TIX: 0.14 EDHREC RANK: 12460 (5/5) Flying (This creature can't be blocked except by creatures with flying or reach.) Whenever one or more creatures you control attack, they gain indestructible until end of turn