Yu-Gi-Oh , Magic: The Gathering, and even TCG shops themselves have games
If you need to play slowly in order to ensure the best use of your counter magic or bounce spells, then do so
Alania is illustrated here by Issei Murakami and shows the Otter Wizard carding two different spells, one red and the other blue, reflecting their Izzet coloring
This is not really a rule, but rather how the Brawl matchmaking works on Arena: Brawl decks are assigned a weight, based on their cards and commander, to gauge the deck's power level and find suitable opponents
SOLDIER Military Program is also pretty great
Yes, it will benefit your other opponents similarly to the C17 curse cycle (Curse of Opulence, Curse of Disturbance, etc.), but it will also incentivize those opponents to send more Creatures towards the cursed player to benefit from the free card advantage (and additional damage thanks to Trample)