Towering TitanHow it works & interactions with other cards

Calculating the Power

When Towering Titan enters the battlefield, you check the current toughness of all other creatures you control. This value, X, determines how many +1/+1 counters are placed on the Titan as it arrives. Note that this is a replacement effect that happens 'as' it enters; it does not use the stack and cannot be responded to once the spell begins to resolve. However, if another creature enters at the same exact time as the Titan due to a single effect, that other creature's toughness is not counted because the Titan checks the board state immediately prior to its entry.

Stability of Counters

Once Towering Titan is on the battlefield with its counters, it is a static value. If your other creatures later leave the battlefield or have their toughness reduced, the Titan keeps its counters. Conversely, if you play more creatures later, the Titan does not grow larger. The 'X' value is locked in only at the moment of entry. This makes it a high-impact late-game play after you have established a wide board presence.

The Trample Engine

The second ability of Towering Titan is an activated ability that costs no mana. By sacrificing a creature with the defender keyword, you grant all creatures you control trample until the end of the turn. This is a powerful finishing move, ensuring that your massive Titan and any other high-power creatures can push through blockers to deal lethal damage to your opponent.

When to Cast

Timing is crucial for Towering Titan. To maximize its size, you should cast it when your board is full of high-toughness creatures. Because it relies on other creatures being present, it is vulnerable to board wipes that occur before it resolves. Use its sacrifice ability during your declare attackers step or after blockers are declared to ensure your damage reaches your opponent.

Interaction examples

Growth through Numbers

Avenger of Zendikar

If you control Avenger of Zendikar and seven 0/1 Plant tokens, your total toughness from other creatures is 9 (2 from the Avenger and 7 from the Plants). When you cast Towering Titan, it will enter with nine +1/+1 counters, becoming a 9/9 creature. If you later play a land and the Plants grow to 1/2 creatures, the Titan remains a 9/9.

The Defensive Pivot

Seedborn Muse

With Seedborn Muse on the battlefield, your total toughness from other creatures is 4. Towering Titan enters as a 4/4. While Seedborn Muse does not have defender to fuel the Titan's trample ability, its high toughness contributes to the Titan's initial size, and its untap ability ensures you have mana available to protect your Giant on every turn.