Karfell Kennel-Master

The enters trigger is a combat-protection package welded onto a body worth attacking with. Splitting +1/+0 and indestructible across up to two creatures means the ability reads as a mass combat trick baked into a permanent: send a double-block into your own strengthened attackers, or blank a board wipe's worth of damage on the turn it lands, all without holding up a card in hand. The indestructible clause is the load-bearing half, because it turns the entry into a one-sided combat swing (your creatures survive, theirs do not) and neutralizes any "destroy" removal an opponent tries to fire on your turn. Timing is what constrains it: everything happens on entry, at sorcery speed by default, and the protection expires by end of turn, so there is no ambushing a combat step you did not commit to and no lingering shield to carry into the opponent's counter-swing. You pay the tempo of a five-mana body up front and get a fixed, one-shot burst of protection, not a repeatable engine. The 4/4 frame earns more respect than the trigger alone would suggest, since the card is happiest as a curve-topper in a go-wide black deck where the two protected creatures are already threatening lethal and indestructible just guarantees the arithmetic. It is a finisher-enabler dressed as a beater: the body closes games, but the trigger is the reason it earns the slot.