Name:Invasion of Arcavios
ManaCost:3 U U
Types:Battle Siege
Defense:7
T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigSearch | TriggerDescription$ When CARDNAME enters, search your library, graveyard, and/or outside the game for an instant or sorcery card you own, reveal it, and put it into your hand. If you search your library this way, shuffle.
SVar:TrigSearch:DB$ ChangeZone | Hidden$ True | Origin$ Library | Destination$ Hand | ShuffleNonMandatory$ True | OriginAlternative$ Graveyard,Sideboard | AlternativeMessage$ Would you like to search your library with this ability? If you do, your library will be shuffled | ChangeType$ Sorcery.YouOwn,Instant.YouOwn
DeckHas:Ability$Graveyard
DeckNeeds:Type$Instant|Sorcery
AlternateMode:DoubleFaced
Oracle:(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)\nWhen Invasion of Arcavios enters, search your library, graveyard, and/or outside the game for an instant or sorcery card you own, reveal it, and put it into your hand. If you search your library this way, shuffle.

ALTERNATE

Name:Invocation of the Founders
ManaCost:no cost
Colors:blue
Types:Enchantment
T:Mode$ SpellCast | TriggerZones$ Battlefield | ValidCard$ Instant.wasCastFromYourHand,Sorcery.wasCastFromYourHand | ValidActivatingPlayer$ You | Execute$ TrigCopy | TriggerDescription$ Whenever you cast an instant or sorcery spell from your hand, you may copy that spell. You may choose new targets for the copy.
SVar:TrigCopy:DB$ CopySpellAbility | Defined$ TriggeredSpellAbility | Optional$ True | MayChooseTarget$ True
Oracle:Whenever you cast an instant or sorcery spell from your hand, you may copy that spell. You may choose new targets for the copy.
