Magical Hack [Limited Edition Alpha] SPA Elfos de Llanowar Join forces — Whenever Mana-Charged

Join forces — Whenever Mana-Charged Dragon attacks or blocks

Set: Commander 2013 Type: Creature — Avatar Mythic Cost: {4}{W}{W}{W} Serra Avatar's power and toughness are each equal to your life total

{T}: Target creature gains all creature types until end of turn

Set: Fate Reforged Type: Creature — Orc Archer Uncommon Cost: {3}{B} Whenever another creature enters the battlefield under your control

Set: Urza's Saga Type: Artifact Creature — Construct Uncommon Cost: {3} When Cathodion dies

Magical Hack [Limited Edition Alpha] SPA Elfos de Llanowar Join forces — Whenever Mana-ChargedSet: Limited Edition Alpha Type: Instant Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one basic land type with another. (For example, you may change "swampwalk" to "plainswalk." This effect lasts indefinitely.)