Tetravus [Antiquities] Urza's Legacy and you decide whether to

and you decide whether to flip again

you may search your library for up to three basic land cards

Set: Worldwake Type: Legendary Planeswalker — Jace Rarity: Mythic Cost: {2}{U}{U} +2: Look at the top card of target player's library

The cave floods with light

If both targets are still legal as this ability resolves

Tetravus [Antiquities] Urza's Legacy and you decide whether toSet: Antiquities Type: Artifact Creature Construct Rarity: Rare Cost: {6} Flying Tetravus enters the battlefield with three +1 +1 counters on it. At the beginning of your upkeep, you may remove any number of +1 +1 counters from Tetravus. If you do, create that many 1 1 colorless Tetravite artifact creature tokens. They each have flying and "This creature can't be enchanted." At the beginning of your upkeep, you may exile any number of tokens created