Teferi's Puzzle Box

This land enters tapped. As it enters, choose a color other than blue. T: Add U or one mana of the chosen color.

Chandra's Pyrohelix deals 2 damage divided as you choose among one or two targets.

Whenever equipped creature attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. Equip 1 (1: Attach to target creature you control. Equip only as a sorcery.)

Target blocking creature gets +7/+7 until end of turn.

When this creature enters, create a 1/1 green Elf Warrior creature token.

2R: This creature deals 1 damage to target creature token, player, or planeswalker.

2G: This creature gains deathtouch until end of turn.

When this creature enters, scry 3. (Look at the top three cards of your library, then put any number of them on the bottom and the rest on top in any order.) Whenever this creature attacks, you may return another creature you control to its owner's hand. If you do, this creature can't be blocked this turn.