As an additional cost to cast this spell, sacrifice any number of creatures. Target creature gets +2/+2 until end of turn for each creature sacrificed this way.
Kicker—Sacrifice a creature. Target creature gets -2/-2 until end of turn. If this spell was kicked, that creature gets -5/-5 until end of turn instead.
Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, surveil 2 if this is the first time this ability has resolved this turn. If it's the second time, each opponent discards a card. If it's the third time, put a creature card from a graveyard onto the battlefield under your control.
Choose a card type, then reveal the top four cards of your library. Put all cards of the chosen type revealed this way into your hand and the rest into your graveyard.
Threshold — As long as seven or more cards are in your graveyard, Vigilant Sentry gets +1/+1 and has "{T}: Target attacking or blocking creature gets +3/+3 until end of turn."
Trample If damage would be dealt to another creature you control, prevent that damage. Put a +1/+1 counter on that creature for each 1 damage prevented this way. When Vigor is put into a graveyard from anywhere, shuffle it into its owner's library.
Kicker {W} Target creature gains trample until end of turn. Whenever that creature deals combat damage this turn, if this spell was kicked, you gain life equal to that damage.
Undergrowth — When Vigorspore Wurm enters, target creature gains vigilance and gets +X/+X until end of turn, where X is the number of creature cards in your graveyard. Vigorspore Wurm can't be blocked by more than one creature.
Whenever a Werewolf you control enters, you may transform it. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Vildin-Pack Alpha.
As an additional cost to cast this spell, sacrifice a creature or enchantment. Flying, trample When Vile Mutilator enters, each opponent sacrifices a nontoken enchantment, then sacrifices a nontoken creature.