Windfall

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

Ancestral Recall

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

Metalcraft — {T}: Add one mana of any color. Activate only if you control three or more artifacts.

Enchant creature
Enchanted creature gets +1/+1 for each artifact and/or enchantment you control.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

({U/P} can be paid with either {U} or 2 life.)
Look at target player's hand.
Draw a card.

Each player discards their hand, then draws seven cards.

Search your library for a card, put that card into your hand, then shuffle.

{T}, Sacrifice Black Lotus: Add three mana of any one color.

Exile Simian Spirit Guide from your hand: Add {R}.