Name:Pyreswipe Hawk
ManaCost:3 R R
Types:Creature Elemental Bird
PT:4/4
K:Flying
K:Haste
T:Mode$ Attacks | ValidCard$ Card.Self | Execute$ TrigPump | TriggerDescription$ Whenever CARDNAME attacks, it gets +X/+0 until end of turn, where X is the greatest mana value among artifacts you control.
SVar:TrigPump:DB$ Pump | Defined$ Self | NumAtt$ X
T:Mode$ ManaExpend | Amount$ 6 | Player$ You | TriggerZones$ Battlefield | Execute$ TrigGainControl | TriggerDescription$ Whenever you expend 6, gain control of up to one target artifact for as long as you control CARDNAME. (You expend 6 as you spend your sixth total mana to cast spells during a turn.)
SVar:TrigGainControl:DB$ GainControl | ValidTgts$ Artifact | TgtPrompt$ Select target artifact. | TargetMin$ 0 | TargetMax$ 1 | LoseControl$ LeavesPlay,LoseControl
SVar:X:Count$Valid Artifact.YouCtrl$GreatestCMC
Oracle:Flying, haste\nWhenever Pyreswipe Hawk attacks, it gets +X/+0 until end of turn, where X is the greatest mana value among artifacts you control.\nWhenever you expend 6, gain control of up to one target artifact for as long as you control Pyreswipe Hawk. (You expend 6 as you spend your sixth total mana to cast spells during a turn.)
