the dark magicians yugioh card YU-GI-OH! - Magician of Chaos (BP02-EN023) - Battle Pack 2: War of Giants - 1st Edition This is of the Ultra Rare rarity. 10 Most Valuable Dark Magician

Whenever you cast your first spell of the turn, you can reveal the top card of your library - if the card is a non-land card with a lower casting cost than your first spell, you can cast it without paying its mana cost

This can be done using blink effects like Ephemerate or by returning them to your hand with cards like Snap or Dour Port-Mages activated ability

And you can have a 3/3 on turn 3 with proliferate tricks, but I'd prefer the ramping instead

Not exactly, but first strike blockers can stop a creature with menace

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