Artifact Creature - Golem (3/1, artifact)
Pay 5 life: put a 3/3 Golem artifact creature token with trample onto the battlefield
Sacrifice four Golems: ~this~ gains flying until end of turn

Converted mana cost: 2

Creature - Bird (2/2, white)
At the beginning of each player's upkeep, you may pay X, where X is the number of basic land types among lands you control. If you do, put a money counter on ~this~. If ~this~ has one or more money counter on it, flip it.
When ~this~ enters the battlefield, you may pay 1W. If you do, target creature gets +1/+1 until end of turn
Sacrifice ~this~: target creature with soulshift gets +2/+1 until end of turn
- - - - -
Legendary Creature - Bird (1/1, white)
W: tap target permanent

Converted mana cost: 1

Instant (blue)
Affinity for Wizards
until end of turn, if you would gain life, target player may pay 3. If that player doesn't, instead that many black creatures get -4/-0 until end of turn
--His flower enjoys the proper string and can defeat the confused forest
– Slashdot

Converted mana cost: 4