Fork

Copy target instant or sorcery spell, except that the copy is red. You may choose new targets for the copy.

Wheel of Fortune

Each player discards their hand, then draws seven cards.

Dragon Whelp

Flying
{R}: Dragon Whelp gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Dragon Whelp at the beginning of the next end step.

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Mana Vault

Mana Vault doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.
At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.
{T}: Add {C}{C}{C}.

Jayemdae Tome

Sol Ring

Crookshank Kobolds

Kobold Taskmaster

Other Kobold creatures you control get +1/+0.

Crimson Kobolds

Kobolds of Kher Keep

Library of Alexandria

{T}: Add {C}.
{T}: Draw a card. Activate only if you have exactly seven cards in hand.

Orcish Oriflamme

Attacking creatures you control get +1/+0.

Mountain

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Shivan Dragon

Flying
{R}: This creature gets +1/+0 until end of turn.

Gauntlet of Might

Red creatures get +1/+1.
Whenever a Mountain is tapped for mana, its controller adds an additional {R}.