Sandsteppe Mastodon
Species Gorger
Sage of Hours

   Prerequisites

What do I need to start this combo?
Sandsteppe Mastodon in hand.
Species Gorger and Sage of Hours on the battlefield.
Sage of Hours has the lowest toughness or is tied for the lowest toughness among creatures you control.
5 each turn available

   Steps

How does this combo work?
1
Cast Sandsteppe Mastodon by paying 5.
2
Sandsteppe Mastodon enters the battlefield, putting five +1/+1 counters on Sage of Hours.
3
Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
4
Move to your next turn.
5
At the begging of your upkeep, Species Gorger triggers, causing you to return Sandsteppe Mastodon from the battlefield to your hand.
6
Repeat.

   Results

What do I get from this combo?
Infinite turns
Lock