Quite simply, Windriddle Palaces is the most fun you are going to have in a plane, and I havent had any card stick more often than it, because its essentially fair, interesting, and intriguing
Dissension Sprouting Phytohydra Sprouting Phytohydra was the first creature to have a repeatable condition through which the creature can copy itself using a token (in this case, when it takes damage)
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Notes and Rules Information for Cloud, Midgar Mercenary: Triggered abilities use the word "when," "whenever," or "at." They're often written as "[Trigger condition], [effect]." Some keyword abilities are triggered abilities and will have "when," "whenever," or "at" in their reminder text
Delay was a counterspell that offered a type of interaction very similar to todays card
The first were the Amonkhet lands, a cycle of five ally-colored dual lands that entered play tapped and cycled for two generic mana