Mindbreak Trap (Future Sight) [Mystery Booster 2] Creature Dungeons & Dragons Set 1:

Dungeons & Dragons Set 1: Basic Rules

Yavimaya's Avatar gets +1/+1 for each land you control and each land card in your graveyard

and not too expensive

Set: Mystery Booster 2 Type: Artifact Rarity: Uncommon Cost: {1} {1}: Look at the top three cards of your library

Mindbreak Trap (Future Sight) [Mystery Booster 2] Creature Dungeons & Dragons Set 1:Set: Mystery Booster 2 Type: Instant Trap Rarity: Mythic Cost: {2}{U}{U} If an opponent cast three or more spells this turn, you may pay {0} rather than pay this spell's mana cost. Exile any number of target spells. "Life is a maze. This is one of its dead ends." Noyan Dar, Tazeem lullmage