opponent discard a card mtg Rules Text: Each player discards, 49 cards Brewing Discard with Tourach, Dread

Both these permanents can be abused a bit if you're able to proliferate the time counters, thereby keeping them on the battlefield longer than their prescribed number of turns

The other Duals are all from Revised: Bayou (GD) Badlands (GD) Plateau (PL) Plateau (PO) Savannah (PL) Underground Sea (NM) Volcanic Island (PL) High-End Reserve List Goodies Here's a great list of Reserve List cards to check out

Take this board state

I think of Ghalta when I think of 12 Mana

It's just, as Steve said, different people want different things, and the nice thing about trading card games is we can make cards for different people because there are so many cards

Legality depends on the tournament format -- Two by Four can be legal in some formats and banned or restricted in others