Timetwister

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Elvish Spirit Guide

Exile this creature from your hand: Add {G}.

Prosperity

Three Steps Ahead

Spree (Choose one or more additional costs.)
+ {1}{U} — Counter target spell.
+ {3} — Create a token that's a copy of target artifact or creature you control.
+ {2} — Draw two cards, then discard a card.

Ponder

Look at the top three cards of your library, then put them back in any order. You may shuffle.
Draw a card.

Lotus Petal

{T}, Sacrifice this artifact: Add one mana of any color.

Ornithopter

Rograkh, Son of Rohgahh

First strike, menace, trample
Partner (You can have two commanders if both have partner.)

Bazaar of Baghdad

{T}: Draw two cards, then discard three cards.

Winds of Change

Each player shuffles the cards from their hand into their library, then draws that many cards.

Glimpse of Nature

Whenever you cast a creature spell this turn, draw a card.

Walking Ballista

This creature enters with X +1/+1 counters on it.
{4}: Put a +1/+1 counter on this creature.
Remove a +1/+1 counter from this creature: It deals 1 damage to any target.

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.