Name:Ongoing Investigation
ManaCost:1 U
Types:Enchantment
T:Mode$ DamageDoneOnce | CombatDamage$ True | ValidSource$ Creature.YouCtrl | TriggerZones$ Battlefield | ValidTarget$ Player | Execute$ DBToken | TriggerDescription$ Whenever one or more creatures you control deal combat damage to a player, investigate. (Create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a card.")
SVar:DBToken:DB$ Token | TokenAmount$ 1 | TokenName$ Clue | TokenTypes$ Artifact,Clue | TokenOwner$ You | TokenColors$ Colorless | TokenImage$ c clue | TokenAbilities$ ABDraw | TokenAltImages$ c_clue2,c_clue3,c_clue4,c_clue5,c_clue6 
A:AB$ Token | Cost$ 1 G ExileFromGrave<1/Creature> | TokenAmount$ 1 | TokenName$ Clue | TokenTypes$ Artifact,Clue | TokenOwner$ You | TokenColors$ Colorless | TokenImage$ c clue | TokenAbilities$ ABDraw | SubAbility$ DBGainLife | SpellDescription$ Investigate. You gain 2 life. | TokenAltImages$ c_clue2,c_clue3,c_clue4,c_clue5,c_clue6 
SVar:DBGainLife:DB$ GainLife | Defined$ You | LifeAmount$ 2
SVar:ABDraw:AB$ Draw | Cost$ 2 Sac<1/CARDNAME> | NumCards$ 1 | SpellDescription$ Draw a card. 
SVar:PlayMain1:TRUE
DeckNeeds:Color$Green
DeckHints:Ability$Investigate
DeckHas:Ability$Investigate & Ability$Token & Ability$LifeGain
SVar:Picture:http://www.wizards.com/global/images/magic/general/ongoing_investigation.jpg
Oracle:Whenever one or more creatures you control deal combat damage to a player, investigate. (Create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a card.")\n{1}{G}, Exile a creature card from your graveyard: Investigate. You gain 2 life.