Doubling Cube

Doubling Cube + Capsize

Infinite storm count, Infinite blue mana, Infinite magecraft triggers, Infinite mana permanents you control can produce, Return any number of permanents to their owner's hand during each of your turns, Lock, Mass Land Denial

Doubling Cube + Voltaic Key + Rings of Brighthearth

Infinite mana artifacts you control can produce, Infinite mana permanents you control can produce, Infinite untap of artifacts you control

Filigree Sages + Doubling Cube

Infinite untap of artifacts you control, Infinite colored mana, Infinite colorless mana

Karn, Silver Golem + Doubling Cube + Sword of the Paruns

Infinite mana permanents you control can produce, Infinite untap of creatures you control, Infinite mana creatures you control can produce

Karn, Silver Golem + Doubling Cube + Umbral Mantle

Infinitely large creature until end of turn, Infinite mana permanents you control can produce, Infinite untap of creatures you control, Infinite mana creatures you control can produce

Karn, Silver Golem + Freed from the Real + Doubling Cube

Infinite colored mana, Infinite colorless mana

Karn, Silver Golem + Pemmin's Aura + Doubling Cube

Infinite colored mana, Infinite colorless mana

Karn, the Great Creator + Doubling Cube + Sword of the Paruns

Infinite mana permanents you control can produce, Infinite untap of creatures you control, Infinite mana creatures you control can produce

Karn, the Great Creator + Doubling Cube + Umbral Mantle

Infinitely large creature until end of turn, Infinite mana permanents you control can produce, Infinite untap of creatures you control, Infinite mana creatures you control can produce

Lord of the Forsaken + Emiel the Blessed + Felidar Guardian + 1 more

Infinite blinking, Infinite colorless mana, Infinite ETB, Infinite landfall triggers, Infinite LTB