Merge branch 'moar_c18_cards' into 'master'

Add Windgrave's Judgmenet and Yennett (needs testing)

See merge request core-developers/forge!862

forge-gui/res/cardsfolder/w/windgraces_judgment.txt

+Name:Windgrace's Judgment
+ManaCost:3 B G
+Types:Instant
+A:SP$ Destroy | Cost$ 3 B G | ValidTgts$ Permanent.nonLand+OppCtrl | TgtPrompt$ Select target nonland permanent an opponent controls to destroy. | TargetMin$ 0 | TargetMax$ OneEach | References$ OneEach | TargetsWithDifferentControllers$ True | SpellDescription$ For any number of opponents, destroy target nonland permanent that player controls.
+SVar:OneEach:PlayerCountOpponents$Amount
+Oracle:For any number of opponents, destroy target nonland permanent that player controls.
\ No newline at end of file

forge-gui/res/cardsfolder/y/yennett_cryptic_sovereign.txt

+Name:Yennett, Cryptic Sovereign
+ManaCost:2 W U B
+Types:Legendary Creature Sphinx
+PT:3/5
+K:Flying
+K:Vigilance
+K:Menace
+T:Mode$ Attacks | ValidCard$ Card.Self | TriggerZones$ Battlefield | Execute$ TrigReveal |  TriggerDescription$ Whenever CARDNAME attacks, reveal the top card of your library. If that card's converted mana cost is odd, you may cast it without paying its mana cost. Otherwise, draw a card.
+SVar:TrigReveal:DB$ PeekAndReveal | PeekAmount$ 1 | RevealValid$ Card | RememberRevealed$ True | SubAbility$ DBMayCast
+SVar:DBMayCast:DB$ Play | Defined$ Remembered | ForgetRemembered$ True | WithoutManaCost$ True | Optional$ True | ConditionDefined$ Remembered | ConditionCheckSVar$ X | ConditionSVarCompare$ M21 | References$ X | SubAbility$ DBDraw
+SVar:DBDraw:DB$ Draw | ConditionDefined$ Remembered | SubAbility$ DBCleanup
+SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
+SVar:X:Remembered$CardManaCost
+Oracle:Flying,vigilance,menace\nWhenever Yennett, Cryptic Sovereign attacks, reveal the top card of your library. If that card's converted mana cost is odd, you may cast it without paying its mana cost. Otherwise, draw a card.

forge-gui/res/editions/Commander 2018.txt

@@ -57,7 +57,7 @@ Type=Other
 48 M Varina, Lich Queen
 49 R Windgrace's Judgment
 50 R Xantcha, Sleeper Agent
-51 M Yennet, Crypt Sovereign
+51 M Yennett, Cryptic Sovereign
 52 R Yuriko, the Tiger's Shadow
 53 R Ancient Stone Idol
 54 R Coveted Jewel