Teferi, Temporal Archmage deck, by Unknown Player

Mindslaver + Academy Ruins (Take control of all of target opponent's turns Combo)

Prerequisites

- All permanents on the battlefield. :mana12: available each turn.

Steps

• Use Mindslaver's ability targeting an opponent
• Activate Academy Ruins's ability targeting Mindslaver in graveyard
• Pass to opponent's turn
• Pass to your turn and draw Mindslaver
• Play Mindslaver, use it, and target it with Academy Ruins

Rings of Brighthearth + Basalt Monolith (Infinite colorless mana Combo)

Prerequisites

- Both cards are on the battlefield. A permanent (or permanents) that can generate at least :mana2:.

Steps

• Tap Basalt Monolith to generate :manac::manac::manac:
• Untap Basalth Monolith for :mana3: using the generated mana
• In response to the untap ability on the stack, pay :mana2: with some permanent (or permanents) to use Rings' triggered ability to copy Basalt Monolith's untap ability
• Put the second untap ability on the stack as well
• You now have 2 untap abilities on the stack
• Let one untap ability resolve, then in response, tap Basalt monolith generating :manac::manac::manac:
• In response to tapping Basalt Monolith, let the first untap ability on the stack resolve
• At this point, Basalt Monolith is untapped and you have :manac::manac::manac: floating
• Start the cycle over again, this time using :mana2: of the floating mana to copy the triggered ability from Rings of Brighthearth, netting :manac: each cycle
• Repeat the cycle to create infinite colorless mana