Infinite turns, Lock
Cast Sandsteppe Mastodon by paying .
Sandsteppe Mastodon enters the battlefield, putting five +1/+1 counters on Sage of Hours.
Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
Move to your next turn.
At the begging of your upkeep, Stampeding Serow triggers, causing you to return Sandsteppe Mastodon from the battlefield to your hand.
Repeat.
Component Cards
How It Works
Cast Sandsteppe Mastodon by paying .
Sandsteppe Mastodon enters the battlefield, putting five +1/+1 counters on Sage of Hours.
Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
Move to your next turn.
At the begging of your upkeep, Stampeding Serow triggers, causing you to return Sandsteppe Mastodon from the battlefield to your hand.
Repeat.