Helm of Chatzuk (CE) [Collectors’ Edition]Set: Collectors Edition Type: Artifact Rarity: Rare Cost: {1} {1}, {T}: Target creature gains banding until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding a player controls are blocking or being blocked by a creature, that player divides that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {3} Whenever a nonartifact permanent enters the battlefield under your control

put a +1/+1 counter on Slumbering Dragon

Set: Game Night Type: Creature — Elemental Avatar Rarity: Mythic Cost: {4}{G}{G} This spell costs {1} less to cast for each opponent you have

Set: Ninth Edition Type: Enchantment Rarity: Uncommon Cost: {3}{B}{B} Sacrifice a Swamp: Regenerate target black creature

copy it for each permanent put into a graveyard this turn

Stars shine

The larger the crowd

Whenever a land's ability causes you to add one or more mana of the chosen color

you may cast target instant card from your graveyard without paying its mana cost

Repeat this process until both players' coins come up heads on the same flip

Set: Commander 2015 Type: Creature — Vedalken Wizard Rare Cost: {1}{U}{U} {U}

"O to be a dragon