Spending a land drop to kill an opponent's land is normally a significant sacrifice, but in a Workshop deck you can essentially buy back that land drop by top-decking one of your five copies of Black Lotus (4 Shops and the one real Lotus)
Classic options like Llanowar Elves and Elvish Mystic slowly growing are fine with Tyvar, but what about the elves that tap for lots of mana
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Legal in Pioneer, Modern, Legacy, Vintage, Commander, Brawl, Historic Rulings (5) For example, if you control Archmage Emeritus and cast an instant or sorcery spell, Archmage Emeritus's magecraft ability will trigger and you will draw a card