mtg dragonstorm card Tarkir: Collector Booster Pack Casting Cost Card Type Elspeth, Storm Slayer (Showcase) (Borderless)

It still shows up in Legacy decks, too

If anything, I think the history of things like phyrexian mana shows that Wizards does learn from their design mistakes

For example, here are some of the earliest: Auriok Steelshaper was a generic 1/1 for 2 mana on its own, and if it was equipped, only Soldiers and Knights would get a bonus, and it was just +1/+1

Here are the exact rules for Standard (the same rules apply to most other Constructed formats)

Can a Creature Without Flying Fight a Creature With Flying

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