I bent my rules just a bit for this card, since it can keep my battlefield presence even in the face of a battlefield sweeper, and since the Spirit creature tokens have flying, they can continue the quest for coolness

Waters Angry Dog Deck 2002-06-21 YES 037 Wurm Token Alan Pollack Angry Dog Deck 2002-06-21 YES Atog Deck 2002 - Mini MTG Cards SET NUM CARDNAME ARTIST SOURCE DATE INFO 000 67/350 Counterspell Mark Romanoski Atog Deck 2002-06-21 000 132/350 Entomb Ron Spears Atog Deck 2002-06-21 000 57/350 Fact or Fiction Terese Nielsen Atog Deck 2002-06-21 000 128/143 Fire/Ice David Martin & Franz Vohwinkel Atog Deck 2002-06-21 000 60/143 Flametongue Kavu Pete Venters Atog Deck 2002-06-21 000 332/350 Island (Version 1) Scott Bailey Atog Deck 2002-06-21 000 333/350 Island (Version 2) Rob Alexander Atog Deck 2002-06-21 000 334/350 Island (Version 3) John Avon Atog Deck 2002-06-21 000 336/350 Island (Version 4) John Avon Atog Deck 2002-06-21 000 337/350 Island (Version 5) Terese Nielsen Atog Deck 2002-06-21 000 338/350 Island (Version 6) Darrell Riche Atog Deck 2002-06-21 000 335/350 Island (Version 7) Tony Szczudlo Atog Deck 2002-06-21 000 337/350 Island (Version 8) Larry Elmore Atog Deck 2002-06-21 000 338/350 Island (Version 9) Rob Alexander Atog Deck 2002-06-21 000 48/143 Nightscape Familiar Jeff Easley Atog Deck 2002-06-21 000 292/350 Psychatog Edward P

How much does Thunderwolf Cavalry cost
Cascade lets you cast a spell then exile cards from your library until you exile a nonland card that costs less, which you can then cast for free
The original dual lands from the Beta set are nonbasic lands that are considered basic lands
It's hard to know for sure, but you can try and put your thumb on the Planechase scale a little bit by thinking about when to roll in your turn