Otaria Forever: Virtual Booster

Tree of Life    R  Creature – Treefolk Whenever a player casts a spell, put an essence counter on Tree of Life. Tree of Life gets +1/+1 for each essence counter on it. At the beginning of your upkeep, you may move any number of essence counters from Tree of Life onto other creatures. 0/2	Riptide Researcher    U  Creature – Cephalid Wizard When Riptide Researcher enters the battlefield, scry 2. Whenever you cast a noncreature spell, put an essence counter on Riptide Researcher. , , Remove X essence counters from Riptide Researcher: Counter target spell unless its controller pays . 1/3	Eruption Riders    U  Creature – Human Barbarian Haste Bloodshed – When Eruption Riders enters the battlefield, if a creature an opponent controls died or an opponent was dealt damage this turn, destroy target land. 2/2	Levitating Monstrosity    U  Creature – Cephalid Zombie As an additional cost to play Levitating Monstrosity, exile two creature cards from your graveyard. Flying 4/3	Digitata Seedsower    C  Creature – Treefolk Whenever a Forest enters the battlefield under your control, put an essence counter on target creature. , Remove two essence counters from Digitata Seedsower: Put a 1/1 green Saproling creature token onto the battlefield. Sacrifice a creature: Target creature gets +1/+1 until end of turn. 3/3
Riptide Apprentice    C  Creature – Cephalid Wizard Whenever you cast a noncreature spell, put an essence counter on Riptide Apprentice. , : Draw a card, then discard a card. , , Remove an essence counter from Riptide Apprentice: Draw two cards, then discard two cards. 2/2	Lavamancy    C  Enchantment – Aura Enchant creature When Lavamancy enters the battlefield, draw a card. Enchanted creature gains ": This creature gets +1/+0 until end of turn."	Strangler Vines    C  Instant Prevent all combat damage that would be dealt this turn. Draw a card. Symbiotic – If a counter was placed on a permanent you control this turn, attacking creatures don't untap during their controller's next untap step.	Unhallowed Hymn    C  Sorcery Ecocide 2 (You may turn two face-up lands face down as you cast this spell. Face-down lands tap for and can be turned face up at any time by sacrificing a face-up permanent.) Target player discards two cards. If you committed ecocide, instead that player discards two cards at random.	Borderland Prairie    C  Land When Borderland Prairie enters the battlefield, you may turn it face down. If you don't, it enters the battlefield with an essence counter on it. : Add to your mana pool. , Remove an essence counter from Borderland Prairie: Add one mana of any colour to your mana pool. Grass wilts under Nothing's gaze.
Burden of Life    C  Enchantment – Aura Enchant creature Enchanted creature gets -2/-2. If enchanted creature is a Zombie, it gets +2/+2 and can't be sacrificed instead.	Windworn Phantom    C  Creature – Spirit One with nothing (This spell costs less to cast for each face-down land you control.) Flying "My husband is gone, my children are gone, my village is dust. I have nothing left." Illus. Alex Alexandrov 3/3	Travelling Chaplain    C  Creature – Human Cleric Whenever a Human enters the battlefield under your control, pray. At the beginning of your upkeep, put an essence counter on Travelling Chaplain for each prayer it made since your last upkeep. , , Remove an essence counter from Travelling Chaplain: Prevent the next 2 damage that would be dealt to another target creature this turn. 1/3	Marshland Purge    C  Sorcery Exile up to two cards from a graveyard. If you exile a creature card this way, put a 2/2 black Zombie creature token onto the battlefield tapped. If you exile a land card this way, search your library for a Swamp card and put it onto the battlefield tapped. Then shuffle your library.	Honoured Vanguard    C  Creature – Human Soldier Lifelink When Honoured Vanguard dies, if a creature you control prayed this turn, put a 1/1 white Human Spirit creature token with lifelink onto the battlefield. 4/2

Tree of Life (rare)
Riptide Researcher (uncommon)
Eruption Riders (uncommon)
Levitating Monstrosity (uncommon)
Digitata Seedsower (common)
Riptide Apprentice (common)
Lavamancy (common)
Strangler Vines (common)
Unhallowed Hymn (common)
Borderland Prairie (common)
Burden of Life (common)
Windworn Phantom (common)
Travelling Chaplain (common)
Marshland Purge (common)
Honoured Vanguard (common)