Name:Galvanic Giant
ManaCost:3 U
Types:Creature Giant Wizard
PT:3/3
T:Mode$ SpellCast | ValidCard$ Card.cmcGE5 | ValidActivatingPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigTap | TriggerDescription$ Whenever you cast a spell with mana value 5 or greater, tap target creature an opponent controls and put a stun counter on it.
SVar:TrigTap:DB$ Tap | ValidTgts$ Creature.OppCtrl | SubAbility$ DBCounter | TgtPrompt$ Select target creature an opponent controls
SVar:DBCounter:DB$ PutCounter | Defined$ Targeted | CounterType$ Stun | CounterNum$ 1
DeckHas:Ability$Counters|Discard
AlternateMode:Adventure
Oracle:Whenever you cast a spell with mana value 5 or greater, tap target creature an opponent controls and put a stun counter on it.

ALTERNATE

Name:Storm Reading
ManaCost:5 U U
Types:Instant Adventure
A:SP$ Draw | NumCards$ 4 | SubAbility$ DBDiscard | SpellDescription$ Draw four cards, then discard two cards. (Then exile this card. You may cast the creature later from exile.)
SVar:DBDiscard:DB$ Discard | Defined$ You | NumCards$ 2 | Mode$ TgtChoose
Oracle:Draw four cards, then discard two cards. (Then exile this card. You may cast the creature later from exile.)
