Merge branch 'morec18newcards' into 'master'

Nylea's Collossus, Octopus Umbra and Varina

See merge request core-developers/forge!823

forge-gui/res/cardsfolder/upcoming/nyleas_colossus.txt

+Name:Nylea's Colossus
+ManaCost:6 G
+Types:Enchantment Creature Giant
+PT:6/6
+T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigPump | TriggerDescription$ Constellation Whenever CARDNAME or another enchantment enters the battlefield under your control, double target creature's power and toughness until end of turn.
+T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Enchantment.Other+YouCtrl | TriggerZones$ Battlefield | Secondary$ True | Execute$ TrigPump | TriggerDescription$ Constellation Whenever CARDNAME or another enchantment enters the battlefield under your control, double target creature's power and toughness until end of turn.
+SVar:TrigPump:DB$ Pump | ValidTgts$ Creature | TgtPrompt$ Select target creature | NumAtt$ +X | NumDef$ +Y | References$ X,Y | RememberTargets$ True | SubAbility$ DBCleanup
+SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
+SVar:X:Remembered$CardPower
+SVar:Y:Remembered$CardToughness
+Oracle:Constellation — Whenever Nylea's Colossus or another enchantment enters the battlefield under your control, double target creature's power and toughness until end of turn.

forge-gui/res/cardsfolder/upcoming/octopus_umbra.txt

+Name:Octopus Umbra
+ManaCost:3 U U
+Types:Enchantment Aura
+K:Totem Armor
+K:Enchant creature
+A:SP$ Attach | Cost$ 3 U U | ValidTgts$ Creature | AILogic$ Animate
+S:Mode$ Continuous | Affected$ Card.EnchantedBy | SetPower$ 8 | SetToughness$ 8 | AddTrigger$ AttackTrigger | AddSVar$ TrigTap | Description$ Enchanted creature has "Whenever this creature attacks, you may tap or untap target permanent.
+SVar:AttackTrigger:Mode$ Attacks | ValidCard$ Card.Self | Execute$ TrigTap | TriggerZones$ Battlefield | TriggerDescription$ Whenever CARDNAME attacks, you may tap target creature.
+SVar:TrigTap:DB$ Tap | ValidTgts$ Creature.powerLE8 | TgtPrompt$ Select target creature
+Oracle:Enchant creature\n Enchanted creature has base power and toughness 8/8 and has “Whenever this creature attacks, you may tap target creature with power 8 or less.”\nTotem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)
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forge-gui/res/cardsfolder/upcoming/varina_lich_queen.txt

+Name:Varina, Lich Queen
+ManaCost:1 W U B
+Types:Legendary Creature Zombie Wizard
+PT:4/4
+T:Mode$ AttackersDeclared | ValidAttackers$ Zombie.YouCtrl | TriggerZones$ Battlefield | Execute$ TrigLoot | TriggerDescription$ Whenever you attack with one or more Zombies, draw that many cards, then discard that many cards. You gain that much life.
+SVar:TrigLoot:DB$ Draw | NumCards$ X | References$ X | SubAbility$ DBDiscard
+SVar:DBDiscard:DB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ X | References$ X | SubAbility$ DBGainLife
+SVar:DBGainLife:DB$ GainLife | Defined$ You | LifeAmount$ X | References$ X 
+SVar:X:TriggerObjectsAttackers$Valid Zombie.YouCtrl
+A:AB$ Token | Cost$ 2 ExileFromGrave<2/Card> | TokenAmount$ 1 | TokenName$ Zombie | TokenTypes$ Creature,Zombie | TokenOwner$ You | TokenColors$ Black | TokenPower$ 2 | TokenToughness$ 2 | TokenImage$ b 2 2 zombie ISD | TokenTapped$ True | SpellDescription$ Create a tapped 2/2 black Zombie creature token.
+DeckHas:Ability$Token
+Oracle:Whenever you attack with one or more Zombies, draw that many cards, then discard that many cards. You gain that much life.\n{2}, Exile two cards from your graveyard: Create a tapped 2/2 black Zombie creature token.
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