Flying If damage would be dealt to you, prevent that damage and mill twice that many cards.
Double strike Equipped creature has double strike. Reconfigure 2 (2: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn’t a creature.)
This spell can’t be countered. Flying, trample, protection from white and from blue R: Akroma, Angel of Fury gets +1/+0 until end of turn. Morph 3RRR (You may cast this card face down as a 2/2 creature for 3. Turn it face up any time for its morph cost.)
Whenever you cast an enchantment spell, you gain 1 life and draw a card.
Whenever you cast an instant or sorcery spell, create an X/X colorless Construct artifact creature token, where X is that spell's converted mana cost. 3UU, Exile Metallurgic Summonings: Return all instant and sorcery cards from your graveyard to your hand. Activate this ability only if you control six or more artifacts.
T: Each player creates a colorless artifact token named Banana with "T, Sacrifice this artifact: Add R or G. You gain 2 life." Whenever an artifact an opponent controls is put into a graveyard from the battlefield, put a +1/+1 counter on each creature you control that's an Ape or a Monkey. Whenever Kibo attacks, defending player sacrifices an artifact.
When this Case enters the battlefield, create a 2/1 black Skeleton creature token and suspect it. (It has menace and can't block.) To solve — You control no suspected Skeletons. (If unsolved, solve at the beginning of your end step.) Solved — 1B, Sacrifice this Case: Search your library for a card, put it into your hand, then shuffle. Activate only as a sorcery.
All artifacts have “At the beginning of your upkeep, sacrifice this artifact unless you pay 1.”
Celestial Colonnade enters the battlefield tapped. T: Add W or U to your mana pool. 3WU: Until end of turn, Celestial Colonnade becomes a 4/4 white and blue Elemental creature with flying and vigilance. It's still a land.