You toss on counter on this when it deals damage, not two, but you can untap a land to make mana, force a target dork to not block, or toss a +1/+1 counter to perma-pump the equipped dork
Obeka, Splitter of Seconds turns her attention to the 'upkeep' step, enabling players to stack numerous extra upkeeps on their turns by merely dealing combat damage with her
The final rule states that there can be no more than four copies of a single card in a deck
That's right, this means that a Siege's controller can attack it with their creatures, and the opponent they chose as its protector can assign their own creatures to block those attackers
and speed gave Aetherdrift Limited a focus very uniquely its own, something a lot of Limited players enjoyed