Bloodsoaked Champion Combos
Bloodsoaked Champion + Phyrexian Altar + Pitiless Plunderer
Totentanz, Swarm Piper + Phyrexian Altar + Bloodsoaked Champion
Teysa Karlov + Pitiless Plunderer + Bloodsoaked Champion
Pitiless Plunderer + Bloodsoaked Champion + Phyrexian Altar
Phyrexian Altar + Xenograft + Bloodsoaked Champion
Phyrexian Altar + Conspiracy + Bloodsoaked Champion
Phyrexian Altar + Bloodsoaked Champion + Blight Mound
Phyrexian Altar + Arcane Adaptation + Bloodsoaked Champion
Gwenna, Eyes of Gaea + Thornbite Staff + Bloodsoaked Champion
Gutter Grime + Bloodsoaked Champion + Phyrexian Altar
Embalmer's Tools + Bloodsoaked Champion + Pitiless Plunderer
Embalmer's Tools + Bloodsoaked Champion + Phyrexian Altar
Bloodsoaked Champion + Sifter of Skulls + Pitiless Plunderer
Bloodsoaked Champion + Pitiless Plunderer + Ashnod's Altar
Bloodsoaked Champion + Phyrexian Altar + Sifter of Skulls
Bhaal, Lord of Murder + Bloodsoaked Champion + Cryptic Trilobite
Combo result
Infinite colorless mana that can only be spent to activate abilities. Infinite +1/+1 counters on all creatures you control except Bloodsoaked Champion. Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers.
Prerequisites
All permanents on the battlefield. You have attacked with a creature this turn.