Swampwalk At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature of their choice.
At the beginning of your upkeep and whenever you cast a green spell, put a charge counter on Shrine of Boundless Growth. {T}, Sacrifice Shrine of Boundless Growth: Add {C} for each charge counter on Shrine of Boundless Growth.
At the beginning of your upkeep and whenever you cast a red spell, put a charge counter on Shrine of Burning Rage. {3}, {T}, Sacrifice Shrine of Burning Rage: It deals damage equal to the number of charge counters on it to any target.
At the beginning of your upkeep and whenever you cast a black spell, put a charge counter on Shrine of Limitless Power. {4}, {T}, Sacrifice Shrine of Limitless Power: Target player discards a card for each charge counter on Shrine of Limitless Power.
At the beginning of your upkeep and whenever you cast a white spell, put a charge counter on Shrine of Loyal Legions. {3}, {T}, Sacrifice Shrine of Loyal Legions: Create a 1/1 colorless Phyrexian Myr artifact creature token for each charge counter on Shrine of Loyal Legions.
At the beginning of your upkeep and whenever you cast a blue spell, put a charge counter on Shrine of Piercing Vision. {T}, Sacrifice Shrine of Piercing Vision: Look at the top X cards of your library, where X is the number of charge counters on Shrine of Piercing Vision. Put one of those cards into your hand and the rest on the bottom of your library in any order.